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Dosya Düzenle: class-wp-xmlrpc-server.php

<?php
/**
 * XML-RPC protocol support for WordPress.
 *
 * @package WordPress
 * @subpackage Publishing
 */

/**
 * WordPress XMLRPC server implementation.
 *
 * Implements compatibility for Blogger API, MetaWeblog API, MovableType, and
 * pingback. Additional WordPress API for managing comments, pages, posts,
 * options, etc.
 *
 * As of WordPress 3.5.0, XML-RPC is enabled by default. It can be disabled
 * via the {@see 'xmlrpc_enabled'} filter found in wp_xmlrpc_server::set_is_enabled().
 *
 * @since 1.5.0
 *
 * @see IXR_Server
 */
#[AllowDynamicProperties]
class wp_xmlrpc_server extends IXR_Server {
	/**
	 * Methods.
	 *
	 * @var array
	 */
	public $methods;

/**
	 * Blog options.
	 *
	 * @var array
	 */
	public $blog_options;

/**
	 * IXR_Error instance.
	 *
	 * @var IXR_Error
	 */
	public $error;

/**
	 * Flags that the user authentication has failed in this instance of wp_xmlrpc_server.
	 *
	 * @var bool
	 */
	protected $auth_failed = false;

/**
	 * Flags that XML-RPC is enabled
	 *
	 * @var bool
	 */
	private $is_enabled;

/**
	 * Registers all of the XMLRPC methods that XMLRPC server understands.
	 *
	 * Sets up server and method property. Passes XMLRPC methods through the
	 * {@see 'xmlrpc_methods'} filter to allow plugins to extend or replace
	 * XML-RPC methods.
	 *
	 * @since 1.5.0
	 */
	public function __construct() {
		$this->methods = array(
			// WordPress API.
			'wp.getUsersBlogs'                 => 'this:wp_getUsersBlogs',
			'wp.newPost'                       => 'this:wp_newPost',
			'wp.editPost'                      => 'this:wp_editPost',
			'wp.deletePost'                    => 'this:wp_deletePost',
			'wp.getPost'                       => 'this:wp_getPost',
			'wp.getPosts'                      => 'this:wp_getPosts',
			'wp.newTerm'                       => 'this:wp_newTerm',
			'wp.editTerm'                      => 'this:wp_editTerm',
			'wp.deleteTerm'                    => 'this:wp_deleteTerm',
			'wp.getTerm'                       => 'this:wp_getTerm',
			'wp.getTerms'                      => 'this:wp_getTerms',
			'wp.getTaxonomy'                   => 'this:wp_getTaxonomy',
			'wp.getTaxonomies'                 => 'this:wp_getTaxonomies',
			'wp.getUser'                       => 'this:wp_getUser',
			'wp.getUsers'                      => 'this:wp_getUsers',
			'wp.getProfile'                    => 'this:wp_getProfile',
			'wp.editProfile'                   => 'this:wp_editProfile',
			'wp.getPage'                       => 'this:wp_getPage',
			'wp.getPages'                      => 'this:wp_getPages',
			'wp.newPage'                       => 'this:wp_newPage',
			'wp.deletePage'                    => 'this:wp_deletePage',
			'wp.editPage'                      => 'this:wp_editPage',
			'wp.getPageList'                   => 'this:wp_getPageList',
			'wp.getAuthors'                    => 'this:wp_getAuthors',
			'wp.getCategories'                 => 'this:mw_getCategories',     // Alias.
			'wp.getTags'                       => 'this:wp_getTags',
			'wp.newCategory'                   => 'this:wp_newCategory',
			'wp.deleteCategory'                => 'this:wp_deleteCategory',
			'wp.suggestCategories'             => 'this:wp_suggestCategories',
			'wp.uploadFile'                    => 'this:mw_newMediaObject',    // Alias.
			'wp.deleteFile'                    => 'this:wp_deletePost',        // Alias.
			'wp.getCommentCount'               => 'this:wp_getCommentCount',
			'wp.getPostStatusList'             => 'this:wp_getPostStatusList',
			'wp.getPageStatusList'             => 'this:wp_getPageStatusList',
			'wp.getPageTemplates'              => 'this:wp_getPageTemplates',
			'wp.getOptions'                    => 'this:wp_getOptions',
			'wp.setOptions'                    => 'this:wp_setOptions',
			'wp.getComment'                    => 'this:wp_getComment',
			'wp.getComments'                   => 'this:wp_getComments',
			'wp.deleteComment'                 => 'this:wp_deleteComment',
			'wp.editComment'                   => 'this:wp_editComment',
			'wp.newComment'                    => 'this:wp_newComment',
			'wp.getCommentStatusList'          => 'this:wp_getCommentStatusList',
			'wp.getMediaItem'                  => 'this:wp_getMediaItem',
			'wp.getMediaLibrary'               => 'this:wp_getMediaLibrary',
			'wp.getPostFormats'                => 'this:wp_getPostFormats',
			'wp.getPostType'                   => 'this:wp_getPostType',
			'wp.getPostTypes'                  => 'this:wp_getPostTypes',
			'wp.getRevisions'                  => 'this:wp_getRevisions',
			'wp.restoreRevision'               => 'this:wp_restoreRevision',

// Blogger API.
			'blogger.getUsersBlogs'            => 'this:blogger_getUsersBlogs',
			'blogger.getUserInfo'              => 'this:blogger_getUserInfo',
			'blogger.getPost'                  => 'this:blogger_getPost',
			'blogger.getRecentPosts'           => 'this:blogger_getRecentPosts',
			'blogger.newPost'                  => 'this:blogger_newPost',
			'blogger.editPost'                 => 'this:blogger_editPost',
			'blogger.deletePost'               => 'this:blogger_deletePost',

// MetaWeblog API (with MT extensions to structs).
			'metaWeblog.newPost'               => 'this:mw_newPost',
			'metaWeblog.editPost'              => 'this:mw_editPost',
			'metaWeblog.getPost'               => 'this:mw_getPost',
			'metaWeblog.getRecentPosts'        => 'this:mw_getRecentPosts',
			'metaWeblog.getCategories'         => 'this:mw_getCategories',
			'metaWeblog.newMediaObject'        => 'this:mw_newMediaObject',

/*
			 * MetaWeblog API aliases for Blogger API.
			 * See http://www.xmlrpc.com/stories/storyReader$2460
			 */
			'metaWeblog.deletePost'            => 'this:blogger_deletePost',
			'metaWeblog.getUsersBlogs'         => 'this:blogger_getUsersBlogs',

// MovableType API.
			'mt.getCategoryList'               => 'this:mt_getCategoryList',
			'mt.getRecentPostTitles'           => 'this:mt_getRecentPostTitles',
			'mt.getPostCategories'             => 'this:mt_getPostCategories',
			'mt.setPostCategories'             => 'this:mt_setPostCategories',
			'mt.supportedMethods'              => 'this:mt_supportedMethods',
			'mt.supportedTextFilters'          => 'this:mt_supportedTextFilters',
			'mt.getTrackbackPings'             => 'this:mt_getTrackbackPings',
			'mt.publishPost'                   => 'this:mt_publishPost',

// Pingback.
			'pingback.ping'                    => 'this:pingback_ping',
			'pingback.extensions.getPingbacks' => 'this:pingback_extensions_getPingbacks',

'demo.sayHello'                    => 'this:sayHello',
			'demo.addTwoNumbers'               => 'this:addTwoNumbers',
		);

$this->initialise_blog_option_info();

/**
		 * Filters the methods exposed by the XML-RPC server.
		 *
		 * This filter can be used to add new methods, and remove built-in methods.
		 *
		 * @since 1.5.0
		 *
		 * @param string[] $methods An array of XML-RPC methods, keyed by their methodName.
		 */
		$this->methods = apply_filters( 'xmlrpc_methods', $this->methods );

$this->set_is_enabled();
	}

/**
	 * Sets wp_xmlrpc_server::$is_enabled property.
	 *
	 * Determines whether the xmlrpc server is enabled on this WordPress install
	 * and set the is_enabled property accordingly.
	 *
	 * @since 5.7.3
	 */
	private function set_is_enabled() {
		/*
		 * Respect old get_option() filters left for back-compat when the 'enable_xmlrpc'
		 * option was deprecated in 3.5.0. Use the {@see 'xmlrpc_enabled'} hook instead.
		 */
		$is_enabled = apply_filters( 'pre_option_enable_xmlrpc', false );
		if ( false === $is_enabled ) {
			$is_enabled = apply_filters( 'option_enable_xmlrpc', true );
		}

/**
		 * Filters whether XML-RPC methods requiring authentication are enabled.
		 *
		 * Contrary to the way it's named, this filter does not control whether XML-RPC is *fully*
		 * enabled, rather, it only controls whether XML-RPC methods requiring authentication -
		 * such as for publishing purposes - are enabled.
		 *
		 * Further, the filter does not control whether pingbacks or other custom endpoints that don't
		 * require authentication are enabled. This behavior is expected, and due to how parity was matched
		 * with the `enable_xmlrpc` UI option the filter replaced when it was introduced in 3.5.
		 *
		 * To disable XML-RPC methods that require authentication, use:
		 *
		 *     add_filter( 'xmlrpc_enabled', '__return_false' );
		 *
		 * For more granular control over all XML-RPC methods and requests, see the {@see 'xmlrpc_methods'}
		 * and {@see 'xmlrpc_element_limit'} hooks.
		 *
		 * @since 3.5.0
		 *
		 * @param bool $is_enabled Whether XML-RPC is enabled. Default true.
		 */
		$this->is_enabled = apply_filters( 'xmlrpc_enabled', $is_enabled );
	}

/**
	 * Makes private/protected methods readable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @param string $name      Method to call.
	 * @param array  $arguments Arguments to pass when calling.
	 * @return array|IXR_Error|false Return value of the callback, false otherwise.
	 */
	public function __call( $name, $arguments ) {
		if ( '_multisite_getUsersBlogs' === $name ) {
			return $this->_multisite_getUsersBlogs( ...$arguments );
		}
		return false;
	}

/**
	 * Serves the XML-RPC request.
	 *
	 * @since 2.9.0
	 */
	public function serve_request() {
		$this->IXR_Server( $this->methods );
	}

/**
	 * Tests XMLRPC API by saying, "Hello!" to client.
	 *
	 * @since 1.5.0
	 *
	 * @return string Hello string response.
	 */
	public function sayHello() {
		return 'Hello!';
	}

/**
	 * Tests XMLRPC API by adding two numbers for client.
	 *
	 * @since 1.5.0
	 *
	 * @param int[] $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int $0 A number to add.
	 *     @type int $1 A second number to add.
	 * }
	 * @return int|IXR_Error Sum of the two given numbers.
	 */
	public function addTwoNumbers( $args ) {
		if ( ! is_array( $args ) || count( $args ) !== 2 || ! is_int( $args[0] ) || ! is_int( $args[1] ) ) {
			$this->error = new IXR_Error( 400, __( 'Invalid arguments passed to this XML-RPC method. Requires two integers.' ) );
			return $this->error;
		}

$number1 = $args[0];
		$number2 = $args[1];
		return $number1 + $number2;
	}

/**
	 * Logs user in.
	 *
	 * @since 2.8.0
	 *
	 * @param string $username User's username.
	 * @param string $password User's password.
	 * @return WP_User|false WP_User object if authentication passed, false otherwise.
	 */
	public function login(
		$username,
		#[\SensitiveParameter]
		$password
	) {
		if ( ! $this->is_enabled ) {
			$this->error = new IXR_Error( 405, sprintf( __( 'XML-RPC services are disabled on this site.' ) ) );
			return false;
		}

if ( $this->auth_failed ) {
			$user = new WP_Error( 'login_prevented' );
		} else {
			$user = wp_authenticate( $username, $password );
		}

if ( is_wp_error( $user ) ) {
			$this->error = new IXR_Error( 403, __( 'Incorrect username or password.' ) );

// Flag that authentication has failed once on this wp_xmlrpc_server instance.
			$this->auth_failed = true;

/**
			 * Filters the XML-RPC user login error message.
			 *
			 * @since 3.5.0
			 *
			 * @param IXR_Error $error The XML-RPC error message.
			 * @param WP_Error  $user  WP_Error object.
			 */
			$this->error = apply_filters( 'xmlrpc_login_error', $this->error, $user );
			return false;
		}

wp_set_current_user( $user->ID );
		return $user;
	}

/**
	 * Checks user's credentials. Deprecated.
	 *
	 * @since 1.5.0
	 * @deprecated 2.8.0 Use wp_xmlrpc_server::login()
	 * @see wp_xmlrpc_server::login()
	 *
	 * @param string $username User's username.
	 * @param string $password User's password.
	 * @return bool Whether authentication passed.
	 */
	public function login_pass_ok(
		$username,
		#[\SensitiveParameter]
		$password
	) {
		return (bool) $this->login( $username, $password );
	}

/**
	 * Escapes string or array of strings for database.
	 *
	 * @since 1.5.2
	 *
	 * @param string|array $data Escape single string or array of strings.
	 * @return string|void Returns with string is passed, alters by-reference
	 *                     when array is passed.
	 */
	public function escape( &$data ) {
		if ( ! is_array( $data ) ) {
			return wp_slash( $data );
		}

foreach ( $data as &$v ) {
			if ( is_array( $v ) ) {
				$this->escape( $v );
			} elseif ( ! is_object( $v ) ) {
				$v = wp_slash( $v );
			}
		}
	}

/**
	 * Sends error response to client.
	 *
	 * Sends an XML error response to the client. If the endpoint is enabled
	 * an HTTP 200 response is always sent per the XML-RPC specification.
	 *
	 * @since 5.7.3
	 *
	 * @param IXR_Error|string $error   Error code or an error object.
	 * @param false            $message Error message. Optional.
	 */
	public function error( $error, $message = false ) {
		// Accepts either an error object or an error code and message
		if ( $message && ! is_object( $error ) ) {
			$error = new IXR_Error( $error, $message );
		}

if ( ! $this->is_enabled ) {
			status_header( $error->code );
		}

$this->output( $error->getXml() );
	}

/**
	 * Retrieves custom fields for post.
	 *
	 * @since 2.5.0
	 *
	 * @param int $post_id Post ID.
	 * @return array Custom fields, if exist.
	 */
	public function get_custom_fields( $post_id ) {
		$post_id = (int) $post_id;

$custom_fields = array();

foreach ( (array) has_meta( $post_id ) as $meta ) {
			// Don't expose protected fields.
			if ( ! current_user_can( 'edit_post_meta', $post_id, $meta['meta_key'] ) ) {
				continue;
			}

$custom_fields[] = array(
				'id'    => $meta['meta_id'],
				'key'   => $meta['meta_key'],
				'value' => $meta['meta_value'],
			);
		}

return $custom_fields;
	}

/**
	 * Sets custom fields for post.
	 *
	 * @since 2.5.0
	 *
	 * @param int   $post_id Post ID.
	 * @param array $fields  Custom fields.
	 */
	public function set_custom_fields( $post_id, $fields ) {
		$post_id = (int) $post_id;

foreach ( (array) $fields as $meta ) {
			if ( isset( $meta['id'] ) ) {
				$meta['id'] = (int) $meta['id'];
				$pmeta      = get_metadata_by_mid( 'post', $meta['id'] );

if ( ! $pmeta || (int) $pmeta->post_id !== $post_id ) {
					continue;
				}

if ( isset( $meta['key'] ) ) {
					$meta['key'] = wp_unslash( $meta['key'] );
					if ( $meta['key'] !== $pmeta->meta_key ) {
						continue;
					}
					$meta['value'] = wp_unslash( $meta['value'] );
					if ( current_user_can( 'edit_post_meta', $post_id, $meta['key'] ) ) {
						update_metadata_by_mid( 'post', $meta['id'], $meta['value'] );
					}
				} elseif ( current_user_can( 'delete_post_meta', $post_id, $pmeta->meta_key ) ) {
					delete_metadata_by_mid( 'post', $meta['id'] );
				}
			} elseif ( current_user_can( 'add_post_meta', $post_id, wp_unslash( $meta['key'] ) ) ) {
				add_post_meta( $post_id, $meta['key'], $meta['value'] );
			}
		}
	}

/**
	 * Retrieves custom fields for a term.
	 *
	 * @since 4.9.0
	 *
	 * @param int $term_id Term ID.
	 * @return array Array of custom fields, if they exist.
	 */
	public function get_term_custom_fields( $term_id ) {
		$term_id = (int) $term_id;

$custom_fields = array();

foreach ( (array) has_term_meta( $term_id ) as $meta ) {

if ( ! current_user_can( 'edit_term_meta', $term_id ) ) {
				continue;
			}

$custom_fields[] = array(
				'id'    => $meta['meta_id'],
				'key'   => $meta['meta_key'],
				'value' => $meta['meta_value'],
			);
		}

return $custom_fields;
	}

/**
	 * Sets custom fields for a term.
	 *
	 * @since 4.9.0
	 *
	 * @param int   $term_id Term ID.
	 * @param array $fields  Custom fields.
	 */
	public function set_term_custom_fields( $term_id, $fields ) {
		$term_id = (int) $term_id;

foreach ( (array) $fields as $meta ) {
			if ( isset( $meta['id'] ) ) {
				$meta['id'] = (int) $meta['id'];
				$pmeta      = get_metadata_by_mid( 'term', $meta['id'] );
				if ( isset( $meta['key'] ) ) {
					$meta['key'] = wp_unslash( $meta['key'] );
					if ( $meta['key'] !== $pmeta->meta_key ) {
						continue;
					}
					$meta['value'] = wp_unslash( $meta['value'] );
					if ( current_user_can( 'edit_term_meta', $term_id ) ) {
						update_metadata_by_mid( 'term', $meta['id'], $meta['value'] );
					}
				} elseif ( current_user_can( 'delete_term_meta', $term_id ) ) {
					delete_metadata_by_mid( 'term', $meta['id'] );
				}
			} elseif ( current_user_can( 'add_term_meta', $term_id ) ) {
				add_term_meta( $term_id, $meta['key'], $meta['value'] );
			}
		}
	}

/**
	 * Sets up blog options property.
	 *
	 * Passes property through {@see 'xmlrpc_blog_options'} filter.
	 *
	 * @since 2.6.0
	 */
	public function initialise_blog_option_info() {
		$this->blog_options = array(
			// Read-only options.
			'software_name'           => array(
				'desc'     => __( 'Software Name' ),
				'readonly' => true,
				'value'    => 'WordPress',
			),
			'software_version'        => array(
				'desc'     => __( 'Software Version' ),
				'readonly' => true,
				'value'    => get_bloginfo( 'version' ),
			),
			'blog_url'                => array(
				'desc'     => __( 'WordPress Address (URL)' ),
				'readonly' => true,
				'option'   => 'siteurl',
			),
			'home_url'                => array(
				'desc'     => __( 'Site Address (URL)' ),
				'readonly' => true,
				'option'   => 'home',
			),
			'login_url'               => array(
				'desc'     => __( 'Login Address (URL)' ),
				'readonly' => true,
				'value'    => wp_login_url(),
			),
			'admin_url'               => array(
				'desc'     => __( 'The URL to the admin area' ),
				'readonly' => true,
				'value'    => get_admin_url(),
			),
			'image_default_link_type' => array(
				'desc'     => __( 'Image default link type' ),
				'readonly' => true,
				'option'   => 'image_default_link_type',
			),
			'image_default_size'      => array(
				'desc'     => __( 'Image default size' ),
				'readonly' => true,
				'option'   => 'image_default_size',
			),
			'image_default_align'     => array(
				'desc'     => __( 'Image default align' ),
				'readonly' => true,
				'option'   => 'image_default_align',
			),
			'template'                => array(
				'desc'     => __( 'Template' ),
				'readonly' => true,
				'option'   => 'template',
			),
			'stylesheet'              => array(
				'desc'     => __( 'Stylesheet' ),
				'readonly' => true,
				'option'   => 'stylesheet',
			),
			'post_thumbnail'          => array(
				'desc'     => __( 'Post Thumbnail' ),
				'readonly' => true,
				'value'    => current_theme_supports( 'post-thumbnails' ),
			),

// Updatable options.
			'time_zone'               => array(
				'desc'     => __( 'Time Zone' ),
				'readonly' => false,
				'option'   => 'gmt_offset',
			),
			'blog_title'              => array(
				'desc'     => __( 'Site Title' ),
				'readonly' => false,
				'option'   => 'blogname',
			),
			'blog_tagline'            => array(
				'desc'     => __( 'Site Tagline' ),
				'readonly' => false,
				'option'   => 'blogdescription',
			),
			'date_format'             => array(
				'desc'     => __( 'Date Format' ),
				'readonly' => false,
				'option'   => 'date_format',
			),
			'time_format'             => array(
				'desc'     => __( 'Time Format' ),
				'readonly' => false,
				'option'   => 'time_format',
			),
			'users_can_register'      => array(
				'desc'     => __( 'Allow new users to sign up' ),
				'readonly' => false,
				'option'   => 'users_can_register',
			),
			'thumbnail_size_w'        => array(
				'desc'     => __( 'Thumbnail Width' ),
				'readonly' => false,
				'option'   => 'thumbnail_size_w',
			),
			'thumbnail_size_h'        => array(
				'desc'     => __( 'Thumbnail Height' ),
				'readonly' => false,
				'option'   => 'thumbnail_size_h',
			),
			'thumbnail_crop'          => array(
				'desc'     => __( 'Crop thumbnail to exact dimensions' ),
				'readonly' => false,
				'option'   => 'thumbnail_crop',
			),
			'medium_size_w'           => array(
				'desc'     => __( 'Medium size image width' ),
				'readonly' => false,
				'option'   => 'medium_size_w',
			),
			'medium_size_h'           => array(
				'desc'     => __( 'Medium size image height' ),
				'readonly' => false,
				'option'   => 'medium_size_h',
			),
			'medium_large_size_w'     => array(
				'desc'     => __( 'Medium-Large size image width' ),
				'readonly' => false,
				'option'   => 'medium_large_size_w',
			),
			'medium_large_size_h'     => array(
				'desc'     => __( 'Medium-Large size image height' ),
				'readonly' => false,
				'option'   => 'medium_large_size_h',
			),
			'large_size_w'            => array(
				'desc'     => __( 'Large size image width' ),
				'readonly' => false,
				'option'   => 'large_size_w',
			),
			'large_size_h'            => array(
				'desc'     => __( 'Large size image height' ),
				'readonly' => false,
				'option'   => 'large_size_h',
			),
			'default_comment_status'  => array(
				'desc'     => __( 'Allow people to submit comments on new posts.' ),
				'readonly' => false,
				'option'   => 'default_comment_status',
			),
			'default_ping_status'     => array(
				'desc'     => __( 'Allow link notifications from other blogs (pingbacks and trackbacks) on new posts.' ),
				'readonly' => false,
				'option'   => 'default_ping_status',
			),
		);

/**
		 * Filters the XML-RPC blog options property.
		 *
		 * @since 2.6.0
		 *
		 * @param array $blog_options An array of XML-RPC blog options.
		 */
		$this->blog_options = apply_filters( 'xmlrpc_blog_options', $this->blog_options );
	}

/**
	 * Retrieves the blogs of the user.
	 *
	 * @since 2.6.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type string $0 Username.
	 *     @type string $1 Password.
	 * }
	 * @return array|IXR_Error Array contains:
	 *  - 'isAdmin'
	 *  - 'isPrimary' - whether the blog is the user's primary blog
	 *  - 'url'
	 *  - 'blogid'
	 *  - 'blogName'
	 *  - 'xmlrpc' - url of xmlrpc endpoint
	 */
	public function wp_getUsersBlogs( $args ) {
		if ( ! $this->minimum_args( $args, 2 ) ) {
			return $this->error;
		}

// If this isn't on WPMU then just use blogger_getUsersBlogs().
		if ( ! is_multisite() ) {
			array_unshift( $args, 1 );
			return $this->blogger_getUsersBlogs( $args );
		}

$this->escape( $args );

$username = $args[0];
		$password = $args[1];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/**
		 * Fires after the XML-RPC user has been authenticated but before the rest of
		 * the method logic begins.
		 *
		 * All built-in XML-RPC methods use the action xmlrpc_call, with a parameter
		 * equal to the method's name, e.g., wp.getUsersBlogs, wp.newPost, etc.
		 *
		 * @since 2.5.0
		 * @since 5.7.0 Added the `$args` and `$server` parameters.
		 *
		 * @param string           $name   The method name.
		 * @param array|string     $args   The escaped arguments passed to the method.
		 * @param wp_xmlrpc_server $server The XML-RPC server instance.
		 */
		do_action( 'xmlrpc_call', 'wp.getUsersBlogs', $args, $this );

$blogs  = (array) get_blogs_of_user( $user->ID );
		$struct = array();

$primary_blog_id = 0;
		$active_blog     = get_active_blog_for_user( $user->ID );
		if ( $active_blog ) {
			$primary_blog_id = (int) $active_blog->blog_id;
		}

$current_network_id = get_current_network_id();

foreach ( $blogs as $blog ) {
			// Don't include blogs that aren't hosted at this site.
			if ( $blog->site_id !== $current_network_id ) {
				continue;
			}

$blog_id = $blog->userblog_id;

switch_to_blog( $blog_id );

$is_admin   = current_user_can( 'manage_options' );
			$is_primary = ( (int) $blog_id === $primary_blog_id );

$struct[] = array(
				'isAdmin'   => $is_admin,
				'isPrimary' => $is_primary,
				'url'       => home_url( '/' ),
				'blogid'    => (string) $blog_id,
				'blogName'  => get_option( 'blogname' ),
				'xmlrpc'    => site_url( 'xmlrpc.php', 'rpc' ),
			);

restore_current_blog();
		}

return $struct;
	}

/**
	 * Checks if the method received at least the minimum number of arguments.
	 *
	 * @since 3.4.0
	 *
	 * @param array $args  An array of arguments to check.
	 * @param int   $count Minimum number of arguments.
	 * @return bool True if `$args` contains at least `$count` arguments, false otherwise.
	 */
	protected function minimum_args( $args, $count ) {
		if ( ! is_array( $args ) || count( $args ) < $count ) {
			$this->error = new IXR_Error( 400, __( 'Insufficient arguments passed to this XML-RPC method.' ) );
			return false;
		}

return true;
	}

/**
	 * Prepares taxonomy data for return in an XML-RPC object.
	 *
	 * @param WP_Taxonomy $taxonomy The unprepared taxonomy data.
	 * @param array       $fields   The subset of taxonomy fields to return.
	 * @return array The prepared taxonomy data.
	 */
	protected function _prepare_taxonomy( $taxonomy, $fields ) {
		$_taxonomy = array(
			'name'         => $taxonomy->name,
			'label'        => $taxonomy->label,
			'hierarchical' => (bool) $taxonomy->hierarchical,
			'public'       => (bool) $taxonomy->public,
			'show_ui'      => (bool) $taxonomy->show_ui,
			'_builtin'     => (bool) $taxonomy->_builtin,
		);

if ( in_array( 'labels', $fields, true ) ) {
			$_taxonomy['labels'] = (array) $taxonomy->labels;
		}

if ( in_array( 'cap', $fields, true ) ) {
			$_taxonomy['cap'] = (array) $taxonomy->cap;
		}

if ( in_array( 'menu', $fields, true ) ) {
			$_taxonomy['show_in_menu'] = (bool) $taxonomy->show_in_menu;
		}

if ( in_array( 'object_type', $fields, true ) ) {
			$_taxonomy['object_type'] = array_unique( (array) $taxonomy->object_type );
		}

/**
		 * Filters XML-RPC-prepared data for the given taxonomy.
		 *
		 * @since 3.4.0
		 *
		 * @param array       $_taxonomy An array of taxonomy data.
		 * @param WP_Taxonomy $taxonomy  Taxonomy object.
		 * @param array       $fields    The subset of taxonomy fields to return.
		 */
		return apply_filters( 'xmlrpc_prepare_taxonomy', $_taxonomy, $taxonomy, $fields );
	}

/**
	 * Prepares term data for return in an XML-RPC object.
	 *
	 * @param array|object $term The unprepared term data.
	 * @return array The prepared term data.
	 */
	protected function _prepare_term( $term ) {
		$_term = $term;
		if ( ! is_array( $_term ) ) {
			$_term = get_object_vars( $_term );
		}

// For integers which may be larger than XML-RPC supports ensure we return strings.
		$_term['term_id']          = (string) $_term['term_id'];
		$_term['term_group']       = (string) $_term['term_group'];
		$_term['term_taxonomy_id'] = (string) $_term['term_taxonomy_id'];
		$_term['parent']           = (string) $_term['parent'];

// Count we are happy to return as an integer because people really shouldn't use terms that much.
		$_term['count'] = (int) $_term['count'];

// Get term meta.
		$_term['custom_fields'] = $this->get_term_custom_fields( $_term['term_id'] );

/**
		 * Filters XML-RPC-prepared data for the given term.
		 *
		 * @since 3.4.0
		 *
		 * @param array        $_term An array of term data.
		 * @param array|object $term  Term object or array.
		 */
		return apply_filters( 'xmlrpc_prepare_term', $_term, $term );
	}

/**
	 * Converts a WordPress date string to an IXR_Date object.
	 *
	 * @param string $date Date string to convert.
	 * @return IXR_Date IXR_Date object.
	 */
	protected function _convert_date( $date ) {
		if ( '0000-00-00 00:00:00' === $date ) {
			return new IXR_Date( '00000000T00:00:00Z' );
		}
		return new IXR_Date( mysql2date( 'Ymd\TH:i:s', $date, false ) );
	}

/**
	 * Converts a WordPress GMT date string to an IXR_Date object.
	 *
	 * @param string $date_gmt WordPress GMT date string.
	 * @param string $date     Date string.
	 * @return IXR_Date IXR_Date object.
	 */
	protected function _convert_date_gmt( $date_gmt, $date ) {
		if ( '0000-00-00 00:00:00' !== $date && '0000-00-00 00:00:00' === $date_gmt ) {
			return new IXR_Date( get_gmt_from_date( mysql2date( 'Y-m-d H:i:s', $date, false ), 'Ymd\TH:i:s' ) );
		}
		return $this->_convert_date( $date_gmt );
	}

/**
	 * Prepares post data for return in an XML-RPC object.
	 *
	 * @param array $post   The unprepared post data.
	 * @param array $fields The subset of post type fields to return.
	 * @return array The prepared post data.
	 */
	protected function _prepare_post( $post, $fields ) {
		// Holds the data for this post. built up based on $fields.
		$_post = array( 'post_id' => (string) $post['ID'] );

// Prepare common post fields.
		$post_fields = array(
			'post_title'        => $post['post_title'],
			'post_date'         => $this->_convert_date( $post['post_date'] ),
			'post_date_gmt'     => $this->_convert_date_gmt( $post['post_date_gmt'], $post['post_date'] ),
			'post_modified'     => $this->_convert_date( $post['post_modified'] ),
			'post_modified_gmt' => $this->_convert_date_gmt( $post['post_modified_gmt'], $post['post_modified'] ),
			'post_status'       => $post['post_status'],
			'post_type'         => $post['post_type'],
			'post_name'         => $post['post_name'],
			'post_author'       => $post['post_author'],
			'post_password'     => $post['post_password'],
			'post_excerpt'      => $post['post_excerpt'],
			'post_content'      => $post['post_content'],
			'post_parent'       => (string) $post['post_parent'],
			'post_mime_type'    => $post['post_mime_type'],
			'link'              => get_permalink( $post['ID'] ),
			'guid'              => $post['guid'],
			'menu_order'        => (int) $post['menu_order'],
			'comment_status'    => $post['comment_status'],
			'ping_status'       => $post['ping_status'],
			'sticky'            => ( 'post' === $post['post_type'] && is_sticky( $post['ID'] ) ),
		);

// Thumbnail.
		$post_fields['post_thumbnail'] = array();
		$thumbnail_id                  = get_post_thumbnail_id( $post['ID'] );
		if ( $thumbnail_id ) {
			$thumbnail_size                = current_theme_supports( 'post-thumbnail' ) ? 'post-thumbnail' : 'thumbnail';
			$post_fields['post_thumbnail'] = $this->_prepare_media_item( get_post( $thumbnail_id ), $thumbnail_size );
		}

// Consider future posts as published.
		if ( 'future' === $post_fields['post_status'] ) {
			$post_fields['post_status'] = 'publish';
		}

// Fill in blank post format.
		$post_fields['post_format'] = get_post_format( $post['ID'] );
		if ( empty( $post_fields['post_format'] ) ) {
			$post_fields['post_format'] = 'standard';
		}

// Merge requested $post_fields fields into $_post.
		if ( in_array( 'post', $fields, true ) ) {
			$_post = array_merge( $_post, $post_fields );
		} else {
			$requested_fields = array_intersect_key( $post_fields, array_flip( $fields ) );
			$_post            = array_merge( $_post, $requested_fields );
		}

$all_taxonomy_fields = in_array( 'taxonomies', $fields, true );

if ( $all_taxonomy_fields || in_array( 'terms', $fields, true ) ) {
			$post_type_taxonomies = get_object_taxonomies( $post['post_type'], 'names' );
			$terms                = wp_get_object_terms( $post['ID'], $post_type_taxonomies );
			$_post['terms']       = array();
			foreach ( $terms as $term ) {
				$_post['terms'][] = $this->_prepare_term( $term );
			}
		}

if ( in_array( 'custom_fields', $fields, true ) ) {
			$_post['custom_fields'] = $this->get_custom_fields( $post['ID'] );
		}

if ( in_array( 'enclosure', $fields, true ) ) {
			$_post['enclosure'] = array();
			$enclosures         = (array) get_post_meta( $post['ID'], 'enclosure' );
			if ( ! empty( $enclosures ) ) {
				$encdata                      = explode( "\n", $enclosures[0] );
				$_post['enclosure']['url']    = trim( htmlspecialchars( $encdata[0] ) );
				$_post['enclosure']['length'] = (int) trim( $encdata[1] );
				$_post['enclosure']['type']   = trim( $encdata[2] );
			}
		}

/**
		 * Filters XML-RPC-prepared date for the given post.
		 *
		 * @since 3.4.0
		 *
		 * @param array $_post  An array of modified post data.
		 * @param array $post   An array of post data.
		 * @param array $fields An array of post fields.
		 */
		return apply_filters( 'xmlrpc_prepare_post', $_post, $post, $fields );
	}

/**
	 * Prepares post data for return in an XML-RPC object.
	 *
	 * @since 3.4.0
	 * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
	 *
	 * @param WP_Post_Type $post_type Post type object.
	 * @param array        $fields    The subset of post fields to return.
	 * @return array The prepared post type data.
	 */
	protected function _prepare_post_type( $post_type, $fields ) {
		$_post_type = array(
			'name'         => $post_type->name,
			'label'        => $post_type->label,
			'hierarchical' => (bool) $post_type->hierarchical,
			'public'       => (bool) $post_type->public,
			'show_ui'      => (bool) $post_type->show_ui,
			'_builtin'     => (bool) $post_type->_builtin,
			'has_archive'  => (bool) $post_type->has_archive,
			'supports'     => get_all_post_type_supports( $post_type->name ),
		);

if ( in_array( 'labels', $fields, true ) ) {
			$_post_type['labels'] = (array) $post_type->labels;
		}

if ( in_array( 'cap', $fields, true ) ) {
			$_post_type['cap']          = (array) $post_type->cap;
			$_post_type['map_meta_cap'] = (bool) $post_type->map_meta_cap;
		}

if ( in_array( 'menu', $fields, true ) ) {
			$_post_type['menu_position'] = (int) $post_type->menu_position;
			$_post_type['menu_icon']     = $post_type->menu_icon;
			$_post_type['show_in_menu']  = (bool) $post_type->show_in_menu;
		}

if ( in_array( 'taxonomies', $fields, true ) ) {
			$_post_type['taxonomies'] = get_object_taxonomies( $post_type->name, 'names' );
		}

/**
		 * Filters XML-RPC-prepared date for the given post type.
		 *
		 * @since 3.4.0
		 * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
		 *
		 * @param array        $_post_type An array of post type data.
		 * @param WP_Post_Type $post_type  Post type object.
		 */
		return apply_filters( 'xmlrpc_prepare_post_type', $_post_type, $post_type );
	}

/**
	 * Prepares media item data for return in an XML-RPC object.
	 *
	 * @param WP_Post $media_item     The unprepared media item data.
	 * @param string  $thumbnail_size The image size to use for the thumbnail URL.
	 * @return array The prepared media item data.
	 */
	protected function _prepare_media_item( $media_item, $thumbnail_size = 'thumbnail' ) {
		$_media_item = array(
			'attachment_id'    => (string) $media_item->ID,
			'date_created_gmt' => $this->_convert_date_gmt( $media_item->post_date_gmt, $media_item->post_date ),
			'parent'           => $media_item->post_parent,
			'link'             => wp_get_attachment_url( $media_item->ID ),
			'title'            => $media_item->post_title,
			'caption'          => $media_item->post_excerpt,
			'description'      => $media_item->post_content,
			'metadata'         => wp_get_attachment_metadata( $media_item->ID ),
			'type'             => $media_item->post_mime_type,
			'alt'              => get_post_meta( $media_item->ID, '_wp_attachment_image_alt', true ),
		);

$thumbnail_src = image_downsize( $media_item->ID, $thumbnail_size );
		if ( $thumbnail_src ) {
			$_media_item['thumbnail'] = $thumbnail_src[0];
		} else {
			$_media_item['thumbnail'] = $_media_item['link'];
		}

/**
		 * Filters XML-RPC-prepared data for the given media item.
		 *
		 * @since 3.4.0
		 *
		 * @param array   $_media_item    An array of media item data.
		 * @param WP_Post $media_item     Media item object.
		 * @param string  $thumbnail_size Image size.
		 */
		return apply_filters( 'xmlrpc_prepare_media_item', $_media_item, $media_item, $thumbnail_size );
	}

/**
	 * Prepares page data for return in an XML-RPC object.
	 *
	 * @param WP_Post $page The unprepared page data.
	 * @return array The prepared page data.
	 */
	protected function _prepare_page( $page ) {
		// Get all of the page content and link.
		$full_page = get_extended( $page->post_content );
		$link      = get_permalink( $page->ID );

// Get info the page parent if there is one.
		$parent_title = '';
		if ( ! empty( $page->post_parent ) ) {
			$parent       = get_post( $page->post_parent );
			$parent_title = $parent->post_title;
		}

// Determine comment and ping settings.
		$allow_comments = comments_open( $page->ID ) ? 1 : 0;
		$allow_pings    = pings_open( $page->ID ) ? 1 : 0;

// Format page date.
		$page_date     = $this->_convert_date( $page->post_date );
		$page_date_gmt = $this->_convert_date_gmt( $page->post_date_gmt, $page->post_date );

// Pull the categories info together.
		$categories = array();
		if ( is_object_in_taxonomy( 'page', 'category' ) ) {
			foreach ( wp_get_post_categories( $page->ID ) as $cat_id ) {
				$categories[] = get_cat_name( $cat_id );
			}
		}

// Get the author info.
		$author = get_userdata( $page->post_author );

$page_template = get_page_template_slug( $page->ID );
		if ( empty( $page_template ) ) {
			$page_template = 'default';
		}

$_page = array(
			'dateCreated'            => $page_date,
			'userid'                 => $page->post_author,
			'page_id'                => $page->ID,
			'page_status'            => $page->post_status,
			'description'            => $full_page['main'],
			'title'                  => $page->post_title,
			'link'                   => $link,
			'permaLink'              => $link,
			'categories'             => $categories,
			'excerpt'                => $page->post_excerpt,
			'text_more'              => $full_page['extended'],
			'mt_allow_comments'      => $allow_comments,
			'mt_allow_pings'         => $allow_pings,
			'wp_slug'                => $page->post_name,
			'wp_password'            => $page->post_password,
			'wp_author'              => $author->display_name,
			'wp_page_parent_id'      => $page->post_parent,
			'wp_page_parent_title'   => $parent_title,
			'wp_page_order'          => $page->menu_order,
			'wp_author_id'           => (string) $author->ID,
			'wp_author_display_name' => $author->display_name,
			'date_created_gmt'       => $page_date_gmt,
			'custom_fields'          => $this->get_custom_fields( $page->ID ),
			'wp_page_template'       => $page_template,
		);

/**
		 * Filters XML-RPC-prepared data for the given page.
		 *
		 * @since 3.4.0
		 *
		 * @param array   $_page An array of page data.
		 * @param WP_Post $page  Page object.
		 */
		return apply_filters( 'xmlrpc_prepare_page', $_page, $page );
	}

/**
	 * Prepares comment data for return in an XML-RPC object.
	 *
	 * @param WP_Comment $comment The unprepared comment data.
	 * @return array The prepared comment data.
	 */
	protected function _prepare_comment( $comment ) {
		// Format page date.
		$comment_date_gmt = $this->_convert_date_gmt( $comment->comment_date_gmt, $comment->comment_date );

if ( '0' === $comment->comment_approved ) {
			$comment_status = 'hold';
		} elseif ( 'spam' === $comment->comment_approved ) {
			$comment_status = 'spam';
		} elseif ( '1' === $comment->comment_approved ) {
			$comment_status = 'approve';
		} else {
			$comment_status = $comment->comment_approved;
		}
		$_comment = array(
			'date_created_gmt' => $comment_date_gmt,
			'user_id'          => $comment->user_id,
			'comment_id'       => $comment->comment_ID,
			'parent'           => $comment->comment_parent,
			'status'           => $comment_status,
			'content'          => $comment->comment_content,
			'link'             => get_comment_link( $comment ),
			'post_id'          => $comment->comment_post_ID,
			'post_title'       => get_the_title( $comment->comment_post_ID ),
			'author'           => $comment->comment_author,
			'author_url'       => $comment->comment_author_url,
			'author_email'     => $comment->comment_author_email,
			'author_ip'        => $comment->comment_author_IP,
			'type'             => $comment->comment_type,
		);

/**
		 * Filters XML-RPC-prepared data for the given comment.
		 *
		 * @since 3.4.0
		 *
		 * @param array      $_comment An array of prepared comment data.
		 * @param WP_Comment $comment  Comment object.
		 */
		return apply_filters( 'xmlrpc_prepare_comment', $_comment, $comment );
	}

/**
	 * Prepares user data for return in an XML-RPC object.
	 *
	 * @param WP_User $user   The unprepared user object.
	 * @param array   $fields The subset of user fields to return.
	 * @return array The prepared user data.
	 */
	protected function _prepare_user( $user, $fields ) {
		$_user = array( 'user_id' => (string) $user->ID );

$user_fields = array(
			'username'     => $user->user_login,
			'first_name'   => $user->user_firstname,
			'last_name'    => $user->user_lastname,
			'registered'   => $this->_convert_date( $user->user_registered ),
			'bio'          => $user->user_description,
			'email'        => $user->user_email,
			'nickname'     => $user->nickname,
			'nicename'     => $user->user_nicename,
			'url'          => $user->user_url,
			'display_name' => $user->display_name,
			'roles'        => $user->roles,
		);

if ( in_array( 'all', $fields, true ) ) {
			$_user = array_merge( $_user, $user_fields );
		} else {
			if ( in_array( 'basic', $fields, true ) ) {
				$basic_fields = array( 'username', 'email', 'registered', 'display_name', 'nicename' );
				$fields       = array_merge( $fields, $basic_fields );
			}
			$requested_fields = array_intersect_key( $user_fields, array_flip( $fields ) );
			$_user            = array_merge( $_user, $requested_fields );
		}

/**
		 * Filters XML-RPC-prepared data for the given user.
		 *
		 * @since 3.5.0
		 *
		 * @param array   $_user  An array of user data.
		 * @param WP_User $user   User object.
		 * @param array   $fields An array of user fields.
		 */
		return apply_filters( 'xmlrpc_prepare_user', $_user, $user, $fields );
	}

/**
	 * Creates a new post for any registered post type.
	 *
	 * @since 3.4.0
	 *
	 * @link https://en.wikipedia.org/wiki/RSS_enclosure for information on RSS enclosures.
	 *
	 * @param array $args {
	 *     Method arguments. Note: top-level arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 {
	 *         Content struct for adding a new post. See wp_insert_post() for information on
	 *         additional post fields
	 *
	 *         @type string $post_type      Post type. Default 'post'.
	 *         @type string $post_status    Post status. Default 'draft'
	 *         @type string $post_title     Post title.
	 *         @type int    $post_author    Post author ID.
	 *         @type string $post_excerpt   Post excerpt.
	 *         @type string $post_content   Post content.
	 *         @type string $post_date_gmt  Post date in GMT.
	 *         @type string $post_date      Post date.
	 *         @type string $post_password  Post password (20-character limit).
	 *         @type string $comment_status Post comment enabled status. Accepts 'open' or 'closed'.
	 *         @type string $ping_status    Post ping status. Accepts 'open' or 'closed'.
	 *         @type bool   $sticky         Whether the post should be sticky. Automatically false if
	 *                                      `$post_status` is 'private'.
	 *         @type int    $post_thumbnail ID of an image to use as the post thumbnail/featured image.
	 *         @type array  $custom_fields  Array of meta key/value pairs to add to the post.
	 *         @type array  $terms          Associative array with taxonomy names as keys and arrays
	 *                                      of term IDs as values.
	 *         @type array  $terms_names    Associative array with taxonomy names as keys and arrays
	 *                                      of term names as values.
	 *         @type array  $enclosure      {
	 *             Array of feed enclosure data to add to post meta.
	 *
	 *             @type string $url    URL for the feed enclosure.
	 *             @type int    $length Size in bytes of the enclosure.
	 *             @type string $type   Mime-type for the enclosure.
	 *         }
	 *     }
	 * }
	 * @return int|IXR_Error Post ID on success, IXR_Error instance otherwise.
	 */
	public function wp_newPost( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username       = $args[1];
		$password       = $args[2];
		$content_struct = $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

// Convert the date field back to IXR form.
		if ( isset( $content_struct['post_date'] ) && ! ( $content_struct['post_date'] instanceof IXR_Date ) ) {
			$content_struct['post_date'] = $this->_convert_date( $content_struct['post_date'] );
		}

/*
		 * Ignore the existing GMT date if it is empty or a non-GMT date was supplied in $content_struct,
		 * since _insert_post() will ignore the non-GMT date if the GMT date is set.
		 */
		if ( isset( $content_struct['post_date_gmt'] ) && ! ( $content_struct['post_date_gmt'] instanceof IXR_Date ) ) {
			if ( '0000-00-00 00:00:00' === $content_struct['post_date_gmt'] || isset( $content_struct['post_date'] ) ) {
				unset( $content_struct['post_date_gmt'] );
			} else {
				$content_struct['post_date_gmt'] = $this->_convert_date( $content_struct['post_date_gmt'] );
			}
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.newPost', $args, $this );

unset( $content_struct['ID'] );

return $this->_insert_post( $user, $content_struct );
	}

/**
	 * Helper method for filtering out elements from an array.
	 *
	 * @since 3.4.0
	 *
	 * @param int $count Number to compare to one.
	 * @return bool True if the number is greater than one, false otherwise.
	 */
	private function _is_greater_than_one( $count ) {
		return $count > 1;
	}

/**
	 * Encapsulates the logic for sticking a post and determining if
	 * the user has permission to do so.
	 *
	 * @since 4.3.0
	 *
	 * @param array $post_data
	 * @param bool  $update
	 * @return void|IXR_Error
	 */
	private function _toggle_sticky( $post_data, $update = false ) {
		$post_type = get_post_type_object( $post_data['post_type'] );

// Private and password-protected posts cannot be stickied.
		if ( 'private' === $post_data['post_status'] || ! empty( $post_data['post_password'] ) ) {
			// Error if the client tried to stick the post, otherwise, silently unstick.
			if ( ! empty( $post_data['sticky'] ) ) {
				return new IXR_Error( 401, __( 'Sorry, you cannot stick a private post.' ) );
			}

if ( $update ) {
				unstick_post( $post_data['ID'] );
			}
		} elseif ( isset( $post_data['sticky'] ) ) {
			if ( ! current_user_can( $post_type->cap->edit_others_posts ) ) {
				return new IXR_Error( 401, __( 'Sorry, you are not allowed to make posts sticky.' ) );
			}

$sticky = wp_validate_boolean( $post_data['sticky'] );
			if ( $sticky ) {
				stick_post( $post_data['ID'] );
			} else {
				unstick_post( $post_data['ID'] );
			}
		}
	}

/**
	 * Helper method for wp_newPost() and wp_editPost(), containing shared logic.
	 *
	 * @since 3.4.0
	 *
	 * @see wp_insert_post()
	 *
	 * @param WP_User         $user           The post author if post_author isn't set in $content_struct.
	 * @param array|IXR_Error $content_struct Post data to insert.
	 * @return IXR_Error|string
	 */
	protected function _insert_post( $user, $content_struct ) {
		$defaults = array(
			'post_status'    => 'draft',
			'post_type'      => 'post',
			'post_author'    => 0,
			'post_password'  => '',
			'post_excerpt'   => '',
			'post_content'   => '',
			'post_title'     => '',
			'post_date'      => '',
			'post_date_gmt'  => '',
			'post_format'    => null,
			'post_name'      => null,
			'post_thumbnail' => null,
			'post_parent'    => 0,
			'ping_status'    => '',
			'comment_status' => '',
			'custom_fields'  => null,
			'terms_names'    => null,
			'terms'          => null,
			'sticky'         => null,
			'enclosure'      => null,
			'ID'             => null,
		);

$post_data = wp_parse_args( array_intersect_key( $content_struct, $defaults ), $defaults );

$post_type = get_post_type_object( $post_data['post_type'] );
		if ( ! $post_type ) {
			return new IXR_Error( 403, __( 'Invalid post type.' ) );
		}

$update = ! empty( $post_data['ID'] );

if ( $update ) {
			if ( ! get_post( $post_data['ID'] ) ) {
				return new IXR_Error( 401, __( 'Invalid post ID.' ) );
			}
			if ( ! current_user_can( 'edit_post', $post_data['ID'] ) ) {
				return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
			}
			if ( get_post_type( $post_data['ID'] ) !== $post_data['post_type'] ) {
				return new IXR_Error( 401, __( 'The post type may not be changed.' ) );
			}
		} else {
			if ( ! current_user_can( $post_type->cap->create_posts ) || ! current_user_can( $post_type->cap->edit_posts ) ) {
				return new IXR_Error( 401, __( 'Sorry, you are not allowed to post on this site.' ) );
			}
		}

switch ( $post_data['post_status'] ) {
			case 'draft':
			case 'pending':
				break;
			case 'private':
				if ( ! current_user_can( $post_type->cap->publish_posts ) ) {
					return new IXR_Error( 401, __( 'Sorry, you are not allowed to create private posts in this post type.' ) );
				}
				break;
			case 'publish':
			case 'future':
				if ( ! current_user_can( $post_type->cap->publish_posts ) ) {
					return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish posts in this post type.' ) );
				}
				break;
			default:
				if ( ! get_post_status_object( $post_data['post_status'] ) ) {
					$post_data['post_status'] = 'draft';
				}
				break;
		}

if ( ! empty( $post_data['post_password'] ) && ! current_user_can( $post_type->cap->publish_posts ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to create password protected posts in this post type.' ) );
		}

$post_data['post_author'] = absint( $post_data['post_author'] );
		if ( ! empty( $post_data['post_author'] ) && $post_data['post_author'] !== $user->ID ) {
			if ( ! current_user_can( $post_type->cap->edit_others_posts ) ) {
				return new IXR_Error( 401, __( 'Sorry, you are not allowed to create posts as this user.' ) );
			}

$author = get_userdata( $post_data['post_author'] );

if ( ! $author ) {
				return new IXR_Error( 404, __( 'Invalid author ID.' ) );
			}
		} else {
			$post_data['post_author'] = $user->ID;
		}

if ( 'open' !== $post_data['comment_status'] && 'closed' !== $post_data['comment_status'] ) {
			unset( $post_data['comment_status'] );
		}

if ( 'open' !== $post_data['ping_status'] && 'closed' !== $post_data['ping_status'] ) {
			unset( $post_data['ping_status'] );
		}

// Do some timestamp voodoo.
		if ( ! empty( $post_data['post_date_gmt'] ) ) {
			// We know this is supposed to be GMT, so we're going to slap that Z on there by force.
			$date_created = rtrim( $post_data['post_date_gmt']->getIso(), 'Z' ) . 'Z';
		} elseif ( ! empty( $post_data['post_date'] ) ) {
			$date_created = $post_data['post_date']->getIso();
		}

// Default to not flagging the post date to be edited unless it's intentional.
		$post_data['edit_date'] = false;

if ( ! empty( $date_created ) ) {
			$post_data['post_date']     = iso8601_to_datetime( $date_created );
			$post_data['post_date_gmt'] = iso8601_to_datetime( $date_created, 'gmt' );

// Flag the post date to be edited.
			$post_data['edit_date'] = true;
		}

if ( ! isset( $post_data['ID'] ) ) {
			$post_data['ID'] = get_default_post_to_edit( $post_data['post_type'], true )->ID;
		}
		$post_id = $post_data['ID'];

if ( 'post' === $post_data['post_type'] ) {
			$error = $this->_toggle_sticky( $post_data, $update );
			if ( $error ) {
				return $error;
			}
		}

if ( isset( $post_data['post_thumbnail'] ) ) {
			// Empty value deletes, non-empty value adds/updates.
			if ( ! $post_data['post_thumbnail'] ) {
				delete_post_thumbnail( $post_id );
			} elseif ( ! get_post( absint( $post_data['post_thumbnail'] ) ) ) {
				return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
			}
			set_post_thumbnail( $post_id, $post_data['post_thumbnail'] );
			unset( $content_struct['post_thumbnail'] );
		}

if ( isset( $post_data['custom_fields'] ) ) {
			$this->set_custom_fields( $post_id, $post_data['custom_fields'] );
		}

if ( isset( $post_data['terms'] ) || isset( $post_data['terms_names'] ) ) {
			$post_type_taxonomies = get_object_taxonomies( $post_data['post_type'], 'objects' );

// Accumulate term IDs from terms and terms_names.
			$terms = array();

// First validate the terms specified by ID.
			if ( isset( $post_data['terms'] ) && is_array( $post_data['terms'] ) ) {
				$taxonomies = array_keys( $post_data['terms'] );

// Validating term IDs.
				foreach ( $taxonomies as $taxonomy ) {
					if ( ! array_key_exists( $taxonomy, $post_type_taxonomies ) ) {
						return new IXR_Error( 401, __( 'Sorry, one of the given taxonomies is not supported by the post type.' ) );
					}

if ( ! current_user_can( $post_type_taxonomies[ $taxonomy ]->cap->assign_terms ) ) {
						return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign a term to one of the given taxonomies.' ) );
					}

$term_ids           = $post_data['terms'][ $taxonomy ];
					$terms[ $taxonomy ] = array();
					foreach ( $term_ids as $term_id ) {
						$term = get_term_by( 'id', $term_id, $taxonomy );

if ( ! $term ) {
							return new IXR_Error( 403, __( 'Invalid term ID.' ) );
						}

$terms[ $taxonomy ][] = (int) $term_id;
					}
				}
			}

// Now validate terms specified by name.
			if ( isset( $post_data['terms_names'] ) && is_array( $post_data['terms_names'] ) ) {
				$taxonomies = array_keys( $post_data['terms_names'] );

foreach ( $taxonomies as $taxonomy ) {
					if ( ! array_key_exists( $taxonomy, $post_type_taxonomies ) ) {
						return new IXR_Error( 401, __( 'Sorry, one of the given taxonomies is not supported by the post type.' ) );
					}

/*
					 * For hierarchical taxonomies, we can't assign a term when multiple terms
					 * in the hierarchy share the same name.
					 */
					$ambiguous_terms = array();
					if ( is_taxonomy_hierarchical( $taxonomy ) ) {
						$tax_term_names = get_terms(
							array(
								'taxonomy'   => $taxonomy,
								'fields'     => 'names',
								'hide_empty' => false,
							)
						);

// Count the number of terms with the same name.
						$tax_term_names_count = array_count_values( $tax_term_names );

// Filter out non-ambiguous term names.
						$ambiguous_tax_term_counts = array_filter( $tax_term_names_count, array( $this, '_is_greater_than_one' ) );

$ambiguous_terms = array_keys( $ambiguous_tax_term_counts );
					}

$term_names = $post_data['terms_names'][ $taxonomy ];
					foreach ( $term_names as $term_name ) {
						if ( in_array( $term_name, $ambiguous_terms, true ) ) {
							return new IXR_Error( 401, __( 'Ambiguous term name used in a hierarchical taxonomy. Please use term ID instead.' ) );
						}

$term = get_term_by( 'name', $term_name, $taxonomy );

if ( ! $term ) {
							// Term doesn't exist, so check that the user is allowed to create new terms.
							if ( ! current_user_can( $post_type_taxonomies[ $taxonomy ]->cap->edit_terms ) ) {
								return new IXR_Error( 401, __( 'Sorry, you are not allowed to add a term to one of the given taxonomies.' ) );
							}

// Create the new term.
							$term_info = wp_insert_term( $term_name, $taxonomy );
							if ( is_wp_error( $term_info ) ) {
								return new IXR_Error( 500, $term_info->get_error_message() );
							}

$terms[ $taxonomy ][] = (int) $term_info['term_id'];
						} else {
							$terms[ $taxonomy ][] = (int) $term->term_id;
						}
					}
				}
			}

$post_data['tax_input'] = $terms;
			unset( $post_data['terms'], $post_data['terms_names'] );
		}

if ( isset( $post_data['post_format'] ) ) {
			$format = set_post_format( $post_id, $post_data['post_format'] );

if ( is_wp_error( $format ) ) {
				return new IXR_Error( 500, $format->get_error_message() );
			}

unset( $post_data['post_format'] );
		}

// Handle enclosures.
		$enclosure = $post_data['enclosure'] ?? null;
		$this->add_enclosure_if_new( $post_id, $enclosure );

$this->attach_uploads( $post_id, $post_data['post_content'] );

/**
		 * Filters post data array to be inserted via XML-RPC.
		 *
		 * @since 3.4.0
		 *
		 * @param array $post_data      Parsed array of post data.
		 * @param array $content_struct Post data array.
		 */
		$post_data = apply_filters( 'xmlrpc_wp_insert_post_data', $post_data, $content_struct );

// Remove all null values to allow for using the insert/update post default values for those keys instead.
		$post_data = array_filter(
			$post_data,
			static function ( $value ) {
				return null !== $value;
			}
		);

$post_id = $update ? wp_update_post( $post_data, true ) : wp_insert_post( $post_data, true );
		if ( is_wp_error( $post_id ) ) {
			return new IXR_Error( 500, $post_id->get_error_message() );
		}

if ( ! $post_id ) {
			if ( $update ) {
				return new IXR_Error( 401, __( 'Sorry, the post could not be updated.' ) );
			} else {
				return new IXR_Error( 401, __( 'Sorry, the post could not be created.' ) );
			}
		}

return (string) $post_id;
	}

/**
	 * Edits a post for any registered post type.
	 *
	 * The $content_struct parameter only needs to contain fields that
	 * should be changed. All other fields will retain their existing values.
	 *
	 * @since 3.4.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Post ID.
	 *     @type array  $4 Extra content arguments.
	 * }
	 * @return true|IXR_Error True on success, IXR_Error on failure.
	 */
	public function wp_editPost( $args ) {
		if ( ! $this->minimum_args( $args, 5 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username       = $args[1];
		$password       = $args[2];
		$post_id        = (int) $args[3];
		$content_struct = $args[4];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.editPost', $args, $this );

$post = get_post( $post_id, ARRAY_A );

if ( empty( $post['ID'] ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( isset( $content_struct['if_not_modified_since'] ) ) {
			// If the post has been modified since the date provided, return an error.
			if ( mysql2date( 'U', $post['post_modified_gmt'] ) > $content_struct['if_not_modified_since']->getTimestamp() ) {
				return new IXR_Error( 409, __( 'There is a revision of this post that is more recent.' ) );
			}
		}

// Convert the date field back to IXR form.
		$post['post_date'] = $this->_convert_date( $post['post_date'] );

/*
		 * Ignore the existing GMT date if it is empty or a non-GMT date was supplied in $content_struct,
		 * since _insert_post() will ignore the non-GMT date if the GMT date is set.
		 */
		if ( '0000-00-00 00:00:00' === $post['post_date_gmt'] || isset( $content_struct['post_date'] ) ) {
			unset( $post['post_date_gmt'] );
		} else {
			$post['post_date_gmt'] = $this->_convert_date( $post['post_date_gmt'] );
		}

/*
		 * If the API client did not provide 'post_date', then we must not perpetuate the value that
		 * was stored in the database, or it will appear to be an intentional edit. Conveying it here
		 * as if it was coming from the API client will cause an otherwise zeroed out 'post_date_gmt'
		 * to get set with the value that was originally stored in the database when the draft was created.
		 */
		if ( ! isset( $content_struct['post_date'] ) ) {
			unset( $post['post_date'] );
		}

$this->escape( $post );
		$merged_content_struct = array_merge( $post, $content_struct );

$retval = $this->_insert_post( $user, $merged_content_struct );
		if ( $retval instanceof IXR_Error ) {
			return $retval;
		}

return true;
	}

/**
	 * Deletes a post for any registered post type.
	 *
	 * @since 3.4.0
	 *
	 * @see wp_delete_post()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Post ID.
	 * }
	 * @return true|IXR_Error True on success, IXR_Error instance on failure.
	 */
	public function wp_deletePost( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$post_id  = (int) $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.deletePost', $args, $this );

$post = get_post( $post_id, ARRAY_A );
		if ( empty( $post['ID'] ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'delete_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this post.' ) );
		}

$result = wp_delete_post( $post_id );

if ( ! $result ) {
			return new IXR_Error( 500, __( 'Sorry, the post could not be deleted.' ) );
		}

return true;
	}

/**
	 * Retrieves a post.
	 *
	 * @since 3.4.0
	 *
	 * The optional $fields parameter specifies what fields will be included
	 * in the response array. This should be a list of field names. 'post_id' will
	 * always be included in the response regardless of the value of $fields.
	 *
	 * Instead of, or in addition to, individual field names, conceptual group
	 * names can be used to specify multiple fields. The available conceptual
	 * groups are 'post' (all basic fields), 'taxonomies', 'custom_fields',
	 * and 'enclosure'.
	 *
	 * @see get_post()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Post ID.
	 *     @type array  $4 Optional. The subset of post type fields to return.
	 * }
	 * @return array|IXR_Error Array contains (based on $fields parameter):
	 *  - 'post_id'
	 *  - 'post_title'
	 *  - 'post_date'
	 *  - 'post_date_gmt'
	 *  - 'post_modified'
	 *  - 'post_modified_gmt'
	 *  - 'post_status'
	 *  - 'post_type'
	 *  - 'post_name'
	 *  - 'post_author'
	 *  - 'post_password'
	 *  - 'post_excerpt'
	 *  - 'post_content'
	 *  - 'link'
	 *  - 'comment_status'
	 *  - 'ping_status'
	 *  - 'sticky'
	 *  - 'custom_fields'
	 *  - 'terms'
	 *  - 'categories'
	 *  - 'tags'
	 *  - 'enclosure'
	 */
	public function wp_getPost( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$post_id  = (int) $args[3];

if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/**
			 * Filters the default post query fields used by the given XML-RPC method.
			 *
			 * @since 3.4.0
			 *
			 * @param array  $fields An array of post fields to retrieve. By default,
			 *                       contains 'post', 'terms', and 'custom_fields'.
			 * @param string $method Method name.
			 */
			$fields = apply_filters( 'xmlrpc_default_post_fields', array( 'post', 'terms', 'custom_fields' ), 'wp.getPost' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPost', $args, $this );

$post = get_post( $post_id, ARRAY_A );

if ( empty( $post['ID'] ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
		}

return $this->_prepare_post( $post, $fields );
	}

/**
	 * Retrieves posts.
	 *
	 * @since 3.4.0
	 *
	 * @see wp_get_recent_posts()
	 * @see wp_getPost() for more on `$fields`
	 * @see get_posts() for more on `$filter` values
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Optional. Modifies the query used to retrieve posts. Accepts 'post_type',
	 *                     'post_status', 'number', 'offset', 'orderby', 's', and 'order'.
	 *                     Default empty array.
	 *     @type array  $4 Optional. The subset of post type fields to return in the response array.
	 * }
	 * @return array|IXR_Error Array containing a collection of posts.
	 */
	public function wp_getPosts( $args ) {
		if ( ! $this->minimum_args( $args, 3 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$filter   = $args[3] ?? array();

if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
			$fields = apply_filters( 'xmlrpc_default_post_fields', array( 'post', 'terms', 'custom_fields' ), 'wp.getPosts' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPosts', $args, $this );

$query = array();

if ( isset( $filter['post_type'] ) ) {
			$post_type = get_post_type_object( $filter['post_type'] );
			if ( ! ( (bool) $post_type ) ) {
				return new IXR_Error( 403, __( 'Invalid post type.' ) );
			}
		} else {
			$post_type = get_post_type_object( 'post' );
		}

if ( ! current_user_can( $post_type->cap->edit_posts ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts in this post type.' ) );
		}

$query['post_type'] = $post_type->name;

if ( isset( $filter['post_status'] ) ) {
			$query['post_status'] = $filter['post_status'];
		}

if ( isset( $filter['number'] ) ) {
			$query['numberposts'] = absint( $filter['number'] );
		}

if ( isset( $filter['offset'] ) ) {
			$query['offset'] = absint( $filter['offset'] );
		}

if ( isset( $filter['orderby'] ) ) {
			$query['orderby'] = $filter['orderby'];

if ( isset( $filter['order'] ) ) {
				$query['order'] = $filter['order'];
			}
		}

if ( isset( $filter['s'] ) ) {
			$query['s'] = $filter['s'];
		}

$posts_list = wp_get_recent_posts( $query );

if ( ! $posts_list ) {
			return array();
		}

// Holds all the posts data.
		$struct = array();

foreach ( $posts_list as $post ) {
			if ( ! current_user_can( 'edit_post', $post['ID'] ) ) {
				continue;
			}

$struct[] = $this->_prepare_post( $post, $fields );
		}

return $struct;
	}

/**
	 * Creates a new term.
	 *
	 * @since 3.4.0
	 *
	 * @see wp_insert_term()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Content struct for adding a new term. The struct must contain
	 *                     the term 'name' and 'taxonomy'. Optional accepted values include
	 *                     'parent', 'description', and 'slug'.
	 * }
	 * @return int|IXR_Error The term ID on success, or an IXR_Error object on failure.
	 */
	public function wp_newTerm( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username       = $args[1];
		$password       = $args[2];
		$content_struct = $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.newTerm', $args, $this );

if ( ! taxonomy_exists( $content_struct['taxonomy'] ) ) {
			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
		}

$taxonomy = get_taxonomy( $content_struct['taxonomy'] );

if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to create terms in this taxonomy.' ) );
		}

$taxonomy = (array) $taxonomy;

// Hold the data of the term.
		$term_data = array();

$term_data['name'] = trim( $content_struct['name'] );
		if ( empty( $term_data['name'] ) ) {
			return new IXR_Error( 403, __( 'The term name cannot be empty.' ) );
		}

if ( isset( $content_struct['parent'] ) ) {
			if ( ! $taxonomy['hierarchical'] ) {
				return new IXR_Error( 403, __( 'This taxonomy is not hierarchical.' ) );
			}

$parent_term_id = (int) $content_struct['parent'];
			$parent_term    = get_term( $parent_term_id, $taxonomy['name'] );

if ( is_wp_error( $parent_term ) ) {
				return new IXR_Error( 500, $parent_term->get_error_message() );
			}

if ( ! $parent_term ) {
				return new IXR_Error( 403, __( 'Parent term does not exist.' ) );
			}

$term_data['parent'] = $content_struct['parent'];
		}

if ( isset( $content_struct['description'] ) ) {
			$term_data['description'] = $content_struct['description'];
		}

if ( isset( $content_struct['slug'] ) ) {
			$term_data['slug'] = $content_struct['slug'];
		}

$term = wp_insert_term( $term_data['name'], $taxonomy['name'], $term_data );

if ( is_wp_error( $term ) ) {
			return new IXR_Error( 500, $term->get_error_message() );
		}

if ( ! $term ) {
			return new IXR_Error( 500, __( 'Sorry, the term could not be created.' ) );
		}

// Add term meta.
		if ( isset( $content_struct['custom_fields'] ) ) {
			$this->set_term_custom_fields( $term['term_id'], $content_struct['custom_fields'] );
		}

return (string) $term['term_id'];
	}

/**
	 * Edits a term.
	 *
	 * @since 3.4.0
	 *
	 * @see wp_update_term()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Term ID.
	 *     @type array  $4 Content struct for editing a term. The struct must contain the
	 *                     term 'taxonomy'. Optional accepted values include 'name', 'parent',
	 *                     'description', and 'slug'.
	 * }
	 * @return true|IXR_Error True on success, IXR_Error instance on failure.
	 */
	public function wp_editTerm( $args ) {
		if ( ! $this->minimum_args( $args, 5 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username       = $args[1];
		$password       = $args[2];
		$term_id        = (int) $args[3];
		$content_struct = $args[4];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.editTerm', $args, $this );

if ( ! taxonomy_exists( $content_struct['taxonomy'] ) ) {
			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
		}

$taxonomy = get_taxonomy( $content_struct['taxonomy'] );

$taxonomy = (array) $taxonomy;

// Hold the data of the term.
		$term_data = array();

$term = get_term( $term_id, $content_struct['taxonomy'] );

if ( is_wp_error( $term ) ) {
			return new IXR_Error( 500, $term->get_error_message() );
		}

if ( ! $term ) {
			return new IXR_Error( 404, __( 'Invalid term ID.' ) );
		}

if ( ! current_user_can( 'edit_term', $term_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this term.' ) );
		}

if ( isset( $content_struct['name'] ) ) {
			$term_data['name'] = trim( $content_struct['name'] );

if ( empty( $term_data['name'] ) ) {
				return new IXR_Error( 403, __( 'The term name cannot be empty.' ) );
			}
		}

if ( ! empty( $content_struct['parent'] ) ) {
			if ( ! $taxonomy['hierarchical'] ) {
				return new IXR_Error( 403, __( 'Cannot set parent term, taxonomy is not hierarchical.' ) );
			}

$parent_term_id = (int) $content_struct['parent'];
			$parent_term    = get_term( $parent_term_id, $taxonomy['name'] );

if ( is_wp_error( $parent_term ) ) {
				return new IXR_Error( 500, $parent_term->get_error_message() );
			}

if ( ! $parent_term ) {
				return new IXR_Error( 403, __( 'Parent term does not exist.' ) );
			}

$term_data['parent'] = $content_struct['parent'];
		}

if ( isset( $content_struct['description'] ) ) {
			$term_data['description'] = $content_struct['description'];
		}

if ( isset( $content_struct['slug'] ) ) {
			$term_data['slug'] = $content_struct['slug'];
		}

$term = wp_update_term( $term_id, $taxonomy['name'], $term_data );

if ( is_wp_error( $term ) ) {
			return new IXR_Error( 500, $term->get_error_message() );
		}

if ( ! $term ) {
			return new IXR_Error( 500, __( 'Sorry, editing the term failed.' ) );
		}

// Update term meta.
		if ( isset( $content_struct['custom_fields'] ) ) {
			$this->set_term_custom_fields( $term_id, $content_struct['custom_fields'] );
		}

return true;
	}

/**
	 * Deletes a term.
	 *
	 * @since 3.4.0
	 *
	 * @see wp_delete_term()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type string $3 Taxonomy name.
	 *     @type int    $4 Term ID.
	 * }
	 * @return true|IXR_Error True on success, IXR_Error instance on failure.
	 */
	public function wp_deleteTerm( $args ) {
		if ( ! $this->minimum_args( $args, 5 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$taxonomy = $args[3];
		$term_id  = (int) $args[4];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.deleteTerm', $args, $this );

if ( ! taxonomy_exists( $taxonomy ) ) {
			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
		}

$taxonomy = get_taxonomy( $taxonomy );
		$term     = get_term( $term_id, $taxonomy->name );

if ( is_wp_error( $term ) ) {
			return new IXR_Error( 500, $term->get_error_message() );
		}

if ( ! $term ) {
			return new IXR_Error( 404, __( 'Invalid term ID.' ) );
		}

if ( ! current_user_can( 'delete_term', $term_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this term.' ) );
		}

$result = wp_delete_term( $term_id, $taxonomy->name );

if ( is_wp_error( $result ) ) {
			return new IXR_Error( 500, $result->get_error_message() );
		}

if ( ! $result ) {
			return new IXR_Error( 500, __( 'Sorry, deleting the term failed.' ) );
		}

return $result;
	}

/**
	 * Retrieves a term.
	 *
	 * @since 3.4.0
	 *
	 * @see get_term()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type string $3 Taxonomy name.
	 *     @type int    $4 Term ID.
	 * }
	 * @return array|IXR_Error IXR_Error on failure, array on success, containing:
	 *  - 'term_id'
	 *  - 'name'
	 *  - 'slug'
	 *  - 'term_group'
	 *  - 'term_taxonomy_id'
	 *  - 'taxonomy'
	 *  - 'description'
	 *  - 'parent'
	 *  - 'count'
	 */
	public function wp_getTerm( $args ) {
		if ( ! $this->minimum_args( $args, 5 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$taxonomy = $args[3];
		$term_id  = (int) $args[4];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getTerm', $args, $this );

if ( ! taxonomy_exists( $taxonomy ) ) {
			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
		}

$taxonomy = get_taxonomy( $taxonomy );

$term = get_term( $term_id, $taxonomy->name, ARRAY_A );

if ( is_wp_error( $term ) ) {
			return new IXR_Error( 500, $term->get_error_message() );
		}

if ( ! $term ) {
			return new IXR_Error( 404, __( 'Invalid term ID.' ) );
		}

if ( ! current_user_can( 'assign_term', $term_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign this term.' ) );
		}

return $this->_prepare_term( $term );
	}

/**
	 * Retrieves all terms for a taxonomy.
	 *
	 * @since 3.4.0
	 *
	 * The optional $filter parameter modifies the query used to retrieve terms.
	 * Accepted keys are 'number', 'offset', 'orderby', 'order', 'hide_empty', and 'search'.
	 *
	 * @see get_terms()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type string $3 Taxonomy name.
	 *     @type array  $4 Optional. Modifies the query used to retrieve posts. Accepts 'number',
	 *                     'offset', 'orderby', 'order', 'hide_empty', and 'search'. Default empty array.
	 * }
	 * @return array|IXR_Error An associative array of terms data on success, IXR_Error instance otherwise.
	 */
	public function wp_getTerms( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$taxonomy = $args[3];
		$filter   = $args[4] ?? array();

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getTerms', $args, $this );

if ( ! taxonomy_exists( $taxonomy ) ) {
			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
		}

$taxonomy = get_taxonomy( $taxonomy );

if ( ! current_user_can( $taxonomy->cap->assign_terms ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign terms in this taxonomy.' ) );
		}

$query = array( 'taxonomy' => $taxonomy->name );

if ( isset( $filter['number'] ) ) {
			$query['number'] = absint( $filter['number'] );
		}

if ( isset( $filter['offset'] ) ) {
			$query['offset'] = absint( $filter['offset'] );
		}

if ( isset( $filter['orderby'] ) ) {
			$query['orderby'] = $filter['orderby'];

if ( isset( $filter['order'] ) ) {
				$query['order'] = $filter['order'];
			}
		}

if ( isset( $filter['hide_empty'] ) ) {
			$query['hide_empty'] = $filter['hide_empty'];
		} else {
			$query['get'] = 'all';
		}

if ( isset( $filter['search'] ) ) {
			$query['search'] = $filter['search'];
		}

$terms = get_terms( $query );

if ( is_wp_error( $terms ) ) {
			return new IXR_Error( 500, $terms->get_error_message() );
		}

$struct = array();

foreach ( $terms as $term ) {
			$struct[] = $this->_prepare_term( $term );
		}

return $struct;
	}

/**
	 * Retrieves a taxonomy.
	 *
	 * @since 3.4.0
	 *
	 * @see get_taxonomy()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type string $3 Taxonomy name.
	 *     @type array  $4 Optional. Array of taxonomy fields to limit to in the return.
	 *                     Accepts 'labels', 'cap', 'menu', and 'object_type'.
	 *                     Default empty array.
	 * }
	 * @return array|IXR_Error An array of taxonomy data on success, IXR_Error instance otherwise.
	 */
	public function wp_getTaxonomy( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$taxonomy = $args[3];

if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/**
			 * Filters the default taxonomy query fields used by the given XML-RPC method.
			 *
			 * @since 3.4.0
			 *
			 * @param array  $fields An array of taxonomy fields to retrieve. By default,
			 *                       contains 'labels', 'cap', and 'object_type'.
			 * @param string $method The method name.
			 */
			$fields = apply_filters( 'xmlrpc_default_taxonomy_fields', array( 'labels', 'cap', 'object_type' ), 'wp.getTaxonomy' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getTaxonomy', $args, $this );

if ( ! taxonomy_exists( $taxonomy ) ) {
			return new IXR_Error( 403, __( 'Invalid taxonomy.' ) );
		}

$taxonomy = get_taxonomy( $taxonomy );

if ( ! current_user_can( $taxonomy->cap->assign_terms ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign terms in this taxonomy.' ) );
		}

return $this->_prepare_taxonomy( $taxonomy, $fields );
	}

/**
	 * Retrieves all taxonomies.
	 *
	 * @since 3.4.0
	 *
	 * @see get_taxonomies()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Optional. An array of arguments for retrieving taxonomies.
	 *     @type array  $4 Optional. The subset of taxonomy fields to return.
	 * }
	 * @return array|IXR_Error An associative array of taxonomy data with returned fields determined
	 *                         by `$fields`, or an IXR_Error instance on failure.
	 */
	public function wp_getTaxonomies( $args ) {
		if ( ! $this->minimum_args( $args, 3 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$filter   = $args[3] ?? array( 'public' => true );

if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
			$fields = apply_filters( 'xmlrpc_default_taxonomy_fields', array( 'labels', 'cap', 'object_type' ), 'wp.getTaxonomies' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getTaxonomies', $args, $this );

$taxonomies = get_taxonomies( $filter, 'objects' );

// Holds all the taxonomy data.
		$struct = array();

foreach ( $taxonomies as $taxonomy ) {
			// Capability check for post types.
			if ( ! current_user_can( $taxonomy->cap->assign_terms ) ) {
				continue;
			}

$struct[] = $this->_prepare_taxonomy( $taxonomy, $fields );
		}

return $struct;
	}

/**
	 * Retrieves a user.
	 *
	 * The optional $fields parameter specifies what fields will be included
	 * in the response array. This should be a list of field names. 'user_id' will
	 * always be included in the response regardless of the value of $fields.
	 *
	 * Instead of, or in addition to, individual field names, conceptual group
	 * names can be used to specify multiple fields. The available conceptual
	 * groups are 'basic' and 'all'.
	 *
	 * @uses get_userdata()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 User ID.
	 *     @type array  $4 Optional. Array of fields to return.
	 * }
	 * @return array|IXR_Error Array contains (based on $fields parameter):
	 *  - 'user_id'
	 *  - 'username'
	 *  - 'first_name'
	 *  - 'last_name'
	 *  - 'registered'
	 *  - 'bio'
	 *  - 'email'
	 *  - 'nickname'
	 *  - 'nicename'
	 *  - 'url'
	 *  - 'display_name'
	 *  - 'roles'
	 */
	public function wp_getUser( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$user_id  = (int) $args[3];

if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/**
			 * Filters the default user query fields used by the given XML-RPC method.
			 *
			 * @since 3.5.0
			 *
			 * @param array  $fields An array of user fields to retrieve. By default, contains 'all'.
			 * @param string $method The method name.
			 */
			$fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getUser' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getUser', $args, $this );

if ( ! current_user_can( 'edit_user', $user_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this user.' ) );
		}

$user_data = get_userdata( $user_id );

if ( ! $user_data ) {
			return new IXR_Error( 404, __( 'Invalid user ID.' ) );
		}

return $this->_prepare_user( $user_data, $fields );
	}

/**
	 * Retrieves users.
	 *
	 * The optional $filter parameter modifies the query used to retrieve users.
	 * Accepted keys are 'number' (default: 50), 'offset' (default: 0), 'role',
	 * 'who', 'orderby', and 'order'.
	 *
	 * The optional $fields parameter specifies what fields will be included
	 * in the response array.
	 *
	 * @uses get_users()
	 * @see wp_getUser() for more on $fields and return values
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Optional. Arguments for the user query.
	 *     @type array  $4 Optional. Fields to return.
	 * }
	 * @return array|IXR_Error users data
	 */
	public function wp_getUsers( $args ) {
		if ( ! $this->minimum_args( $args, 3 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$filter   = $args[3] ?? array();

if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
			$fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getUsers' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getUsers', $args, $this );

if ( ! current_user_can( 'list_users' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to list users.' ) );
		}

$query = array( 'fields' => 'all_with_meta' );

$query['number'] = ( isset( $filter['number'] ) ) ? absint( $filter['number'] ) : 50;
		$query['offset'] = ( isset( $filter['offset'] ) ) ? absint( $filter['offset'] ) : 0;

if ( isset( $filter['orderby'] ) ) {
			$query['orderby'] = $filter['orderby'];

if ( isset( $filter['order'] ) ) {
				$query['order'] = $filter['order'];
			}
		}

if ( isset( $filter['role'] ) ) {
			if ( get_role( $filter['role'] ) === null ) {
				return new IXR_Error( 403, __( 'Invalid role.' ) );
			}

$query['role'] = $filter['role'];
		}

if ( isset( $filter['who'] ) ) {
			$query['who'] = $filter['who'];
		}

$users = get_users( $query );

$_users = array();
		foreach ( $users as $user_data ) {
			if ( current_user_can( 'edit_user', $user_data->ID ) ) {
				$_users[] = $this->_prepare_user( $user_data, $fields );
			}
		}
		return $_users;
	}

/**
	 * Retrieves information about the requesting user.
	 *
	 * @uses get_userdata()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username
	 *     @type string $2 Password
	 *     @type array  $3 Optional. Fields to return.
	 * }
	 * @return array|IXR_Error (@see wp_getUser)
	 */
	public function wp_getProfile( $args ) {
		if ( ! $this->minimum_args( $args, 3 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];

if ( isset( $args[3] ) ) {
			$fields = $args[3];
		} else {
			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
			$fields = apply_filters( 'xmlrpc_default_user_fields', array( 'all' ), 'wp.getProfile' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getProfile', $args, $this );

if ( ! current_user_can( 'edit_user', $user->ID ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit your profile.' ) );
		}

$user_data = get_userdata( $user->ID );

return $this->_prepare_user( $user_data, $fields );
	}

/**
	 * Edits user's profile.
	 *
	 * @uses wp_update_user()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Content struct. It can optionally contain:
	 *      - 'first_name'
	 *      - 'last_name'
	 *      - 'website'
	 *      - 'display_name'
	 *      - 'nickname'
	 *      - 'nicename'
	 *      - 'bio'
	 * }
	 * @return true|IXR_Error True, on success.
	 */
	public function wp_editProfile( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username       = $args[1];
		$password       = $args[2];
		$content_struct = $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.editProfile', $args, $this );

if ( ! current_user_can( 'edit_user', $user->ID ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit your profile.' ) );
		}

// Holds data of the user.
		$user_data       = array();
		$user_data['ID'] = $user->ID;

// Only set the user details if they were given.
		if ( isset( $content_struct['first_name'] ) ) {
			$user_data['first_name'] = $content_struct['first_name'];
		}

if ( isset( $content_struct['last_name'] ) ) {
			$user_data['last_name'] = $content_struct['last_name'];
		}

if ( isset( $content_struct['url'] ) ) {
			$user_data['user_url'] = $content_struct['url'];
		}

if ( isset( $content_struct['display_name'] ) ) {
			$user_data['display_name'] = $content_struct['display_name'];
		}

if ( isset( $content_struct['nickname'] ) ) {
			$user_data['nickname'] = $content_struct['nickname'];
		}

if ( isset( $content_struct['nicename'] ) ) {
			$user_data['user_nicename'] = $content_struct['nicename'];
		}

if ( isset( $content_struct['bio'] ) ) {
			$user_data['description'] = $content_struct['bio'];
		}

$result = wp_update_user( $user_data );

if ( is_wp_error( $result ) ) {
			return new IXR_Error( 500, $result->get_error_message() );
		}

if ( ! $result ) {
			return new IXR_Error( 500, __( 'Sorry, the user could not be updated.' ) );
		}

return true;
	}

/**
	 * Retrieves a page.
	 *
	 * @since 2.2.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type int    $1 Page ID.
	 *     @type string $2 Username.
	 *     @type string $3 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getPage( $args ) {
		$this->escape( $args );

$page_id  = (int) $args[1];
		$username = $args[2];
		$password = $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

$page = get_post( $page_id );
		if ( ! $page ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_page', $page_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this page.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPage', $args, $this );

// If we found the page then format the data.
		if ( $page->ID && ( 'page' === $page->post_type ) ) {
			return $this->_prepare_page( $page );
		} else {
			// If the page doesn't exist, indicate that.
			return new IXR_Error( 404, __( 'Sorry, no such page.' ) );
		}
	}

/**
	 * Retrieves Pages.
	 *
	 * @since 2.2.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Optional. Number of pages. Default 10.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getPages( $args ) {
		$this->escape( $args );

$username  = $args[1];
		$password  = $args[2];
		$num_pages = isset( $args[3] ) ? (int) $args[3] : 10;

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_pages' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit pages.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPages', $args, $this );

$pages     = get_posts(
			array(
				'post_type'   => 'page',
				'post_status' => 'any',
				'numberposts' => $num_pages,
			)
		);
		$num_pages = count( $pages );

// If we have pages, put together their info.
		if ( $num_pages >= 1 ) {
			$pages_struct = array();

foreach ( $pages as $page ) {
				if ( current_user_can( 'edit_page', $page->ID ) ) {
					$pages_struct[] = $this->_prepare_page( $page );
				}
			}

return $pages_struct;
		}

return array();
	}

/**
	 * Creates a new page.
	 *
	 * @since 2.2.0
	 *
	 * @see wp_xmlrpc_server::mw_newPost()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Content struct.
	 * }
	 * @return int|IXR_Error
	 */
	public function wp_newPage( $args ) {
		// Items not escaped here will be escaped in wp_newPost().
		$username = $this->escape( $args[1] );
		$password = $this->escape( $args[2] );

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.newPage', $args, $this );

// Mark this as content for a page.
		$args[3]['post_type'] = 'page';

// Let mw_newPost() do all of the heavy lifting.
		return $this->mw_newPost( $args );
	}

/**
	 * Deletes a page.
	 *
	 * @since 2.2.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Page ID.
	 * }
	 * @return true|IXR_Error True, if success.
	 */
	public function wp_deletePage( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$page_id  = (int) $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.deletePage', $args, $this );

/*
		 * Get the current page based on the 'page_id' and
		 * make sure it is a page and not a post.
		 */
		$actual_page = get_post( $page_id, ARRAY_A );
		if ( ! $actual_page || ( 'page' !== $actual_page['post_type'] ) ) {
			return new IXR_Error( 404, __( 'Sorry, no such page.' ) );
		}

// Make sure the user can delete pages.
		if ( ! current_user_can( 'delete_page', $page_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this page.' ) );
		}

// Attempt to delete the page.
		$result = wp_delete_post( $page_id );
		if ( ! $result ) {
			return new IXR_Error( 500, __( 'Failed to delete the page.' ) );
		}

/**
		 * Fires after a page has been successfully deleted via XML-RPC.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $page_id ID of the deleted page.
		 * @param array $args    An array of arguments to delete the page.
		 */
		do_action( 'xmlrpc_call_success_wp_deletePage', $page_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

return true;
	}

/**
	 * Edits a page.
	 *
	 * @since 2.2.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type int    $1 Page ID.
	 *     @type string $2 Username.
	 *     @type string $3 Password.
	 *     @type string $4 Content.
	 *     @type int    $5 Publish flag. 0 for draft, 1 for publish.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_editPage( $args ) {
		// Items will be escaped in mw_editPost().
		$page_id  = (int) $args[1];
		$username = $args[2];
		$password = $args[3];
		$content  = $args[4];
		$publish  = $args[5];

$escaped_username = $this->escape( $username );
		$escaped_password = $this->escape( $password );

$user = $this->login( $escaped_username, $escaped_password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.editPage', $args, $this );

// Get the page data and make sure it is a page.
		$actual_page = get_post( $page_id, ARRAY_A );
		if ( ! $actual_page || ( 'page' !== $actual_page['post_type'] ) ) {
			return new IXR_Error( 404, __( 'Sorry, no such page.' ) );
		}

// Make sure the user is allowed to edit pages.
		if ( ! current_user_can( 'edit_page', $page_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this page.' ) );
		}

// Mark this as content for a page.
		$content['post_type'] = 'page';

// Arrange args in the way mw_editPost() understands.
		$args = array(
			$page_id,
			$username,
			$password,
			$content,
			$publish,
		);

// Let mw_editPost() do all of the heavy lifting.
		return $this->mw_editPost( $args );
	}

/**
	 * Retrieves page list.
	 *
	 * @since 2.2.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getPageList( $args ) {
		global $wpdb;

$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_pages' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit pages.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPageList', $args, $this );

// Get list of page IDs and titles.
		$page_list = $wpdb->get_results(
			"
			SELECT ID page_id,
				post_title page_title,
				post_parent page_parent_id,
				post_date_gmt,
				post_date,
				post_status
			FROM {$wpdb->posts}
			WHERE post_type = 'page'
			ORDER BY ID
		"
		);

// The date needs to be formatted properly.
		$num_pages = count( $page_list );
		for ( $i = 0; $i < $num_pages; $i++ ) {
			$page_list[ $i ]->dateCreated      = $this->_convert_date( $page_list[ $i ]->post_date );
			$page_list[ $i ]->date_created_gmt = $this->_convert_date_gmt( $page_list[ $i ]->post_date_gmt, $page_list[ $i ]->post_date );

unset( $page_list[ $i ]->post_date_gmt );
			unset( $page_list[ $i ]->post_date );
			unset( $page_list[ $i ]->post_status );
		}

return $page_list;
	}

/**
	 * Retrieves authors list.
	 *
	 * @since 2.2.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getAuthors( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getAuthors', $args, $this );

$authors = array();
		foreach ( get_users( array( 'fields' => array( 'ID', 'user_login', 'display_name' ) ) ) as $user ) {
			$authors[] = array(
				'user_id'      => $user->ID,
				'user_login'   => $user->user_login,
				'display_name' => $user->display_name,
			);
		}

return $authors;
	}

/**
	 * Gets the list of all tags.
	 *
	 * @since 2.7.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getTags( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view tags.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getKeywords', $args, $this );

$tags = array();

$all_tags = get_tags();
		if ( $all_tags ) {
			foreach ( (array) $all_tags as $tag ) {
				$struct             = array();
				$struct['tag_id']   = $tag->term_id;
				$struct['name']     = $tag->name;
				$struct['count']    = $tag->count;
				$struct['slug']     = $tag->slug;
				$struct['html_url'] = esc_html( get_tag_link( $tag->term_id ) );
				$struct['rss_url']  = esc_html( get_tag_feed_link( $tag->term_id ) );

$tags[] = $struct;
			}
		}

return $tags;
	}

/**
	 * Creates a new category.
	 *
	 * @since 2.2.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Category.
	 * }
	 * @return int|IXR_Error Category ID.
	 */
	public function wp_newCategory( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$category = $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.newCategory', $args, $this );

// Make sure the user is allowed to add a category.
		if ( ! current_user_can( 'manage_categories' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to add a category.' ) );
		}

/*
		 * If no slug was provided, make it empty
		 * so that WordPress will generate one.
		 */
		if ( empty( $category['slug'] ) ) {
			$category['slug'] = '';
		}

/*
		 * If no parent_id was provided, make it empty
		 * so that it will be a top-level page (no parent).
		 */
		if ( ! isset( $category['parent_id'] ) ) {
			$category['parent_id'] = '';
		}

// If no description was provided, make it empty.
		if ( empty( $category['description'] ) ) {
			$category['description'] = '';
		}

$new_category = array(
			'cat_name'             => $category['name'],
			'category_nicename'    => $category['slug'],
			'category_parent'      => $category['parent_id'],
			'category_description' => $category['description'],
		);

$cat_id = wp_insert_category( $new_category, true );
		if ( is_wp_error( $cat_id ) ) {
			if ( 'term_exists' === $cat_id->get_error_code() ) {
				return (int) $cat_id->get_error_data();
			} else {
				return new IXR_Error( 500, __( 'Sorry, the category could not be created.' ) );
			}
		} elseif ( ! $cat_id ) {
			return new IXR_Error( 500, __( 'Sorry, the category could not be created.' ) );
		}

/**
		 * Fires after a new category has been successfully created via XML-RPC.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $cat_id ID of the new category.
		 * @param array $args   An array of new category arguments.
		 */
		do_action( 'xmlrpc_call_success_wp_newCategory', $cat_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

return $cat_id;
	}

/**
	 * Deletes a category.
	 *
	 * @since 2.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Category ID.
	 * }
	 * @return bool|IXR_Error See wp_delete_term() for return info.
	 */
	public function wp_deleteCategory( $args ) {
		$this->escape( $args );

$username    = $args[1];
		$password    = $args[2];
		$category_id = (int) $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.deleteCategory', $args, $this );

if ( ! current_user_can( 'delete_term', $category_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this category.' ) );
		}

$status = wp_delete_term( $category_id, 'category' );

if ( true === $status ) {
			/**
			 * Fires after a category has been successfully deleted via XML-RPC.
			 *
			 * @since 3.4.0
			 *
			 * @param int   $category_id ID of the deleted category.
			 * @param array $args        An array of arguments to delete the category.
			 */
			do_action( 'xmlrpc_call_success_wp_deleteCategory', $category_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
		}

return $status;
	}

/**
	 * Retrieves category list.
	 *
	 * @since 2.2.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Category
	 *     @type int    $4 Max number of results.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_suggestCategories( $args ) {
		$this->escape( $args );

$username    = $args[1];
		$password    = $args[2];
		$category    = $args[3];
		$max_results = (int) $args[4];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.suggestCategories', $args, $this );

$category_suggestions = array();
		$args                 = array(
			'get'        => 'all',
			'number'     => $max_results,
			'name__like' => $category,
		);
		foreach ( (array) get_categories( $args ) as $cat ) {
			$category_suggestions[] = array(
				'category_id'   => $cat->term_id,
				'category_name' => $cat->name,
			);
		}

return $category_suggestions;
	}

/**
	 * Retrieves a comment.
	 *
	 * @since 2.7.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Comment ID.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getComment( $args ) {
		$this->escape( $args );

$username   = $args[1];
		$password   = $args[2];
		$comment_id = (int) $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getComment', $args, $this );

$comment = get_comment( $comment_id );
		if ( ! $comment ) {
			return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
		}

if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to moderate or edit this comment.' ) );
		}

return $this->_prepare_comment( $comment );
	}

/**
	 * Retrieves comments.
	 *
	 * Besides the common blog_id (unused), username, and password arguments,
	 * it takes a filter array as the last argument.
	 *
	 * Accepted 'filter' keys are 'status', 'post_id', 'offset', and 'number'.
	 *
	 * The defaults are as follows:
	 * - 'status'  - Default is ''. Filter by status (e.g., 'approve', 'hold')
	 * - 'post_id' - Default is ''. The post where the comment is posted.
	 *               Empty string shows all comments.
	 * - 'number'  - Default is 10. Total number of media items to retrieve.
	 * - 'offset'  - Default is 0. See WP_Query::query() for more.
	 *
	 * @since 2.7.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Optional. Query arguments.
	 * }
	 * @return array|IXR_Error Array containing a collection of comments.
	 *                         See wp_xmlrpc_server::wp_getComment() for a description
	 *                         of each item contents.
	 */
	public function wp_getComments( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$struct   = $args[3] ?? array();

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getComments', $args, $this );

$status = $struct['status'] ?? '';

if ( ! current_user_can( 'moderate_comments' ) && 'approve' !== $status ) {
			return new IXR_Error( 401, __( 'Invalid comment status.' ) );
		}

$post_id = '';
		if ( isset( $struct['post_id'] ) ) {
			$post_id = absint( $struct['post_id'] );
		}

$post_type = '';
		if ( isset( $struct['post_type'] ) ) {
			$post_type_object = get_post_type_object( $struct['post_type'] );
			if ( ! $post_type_object || ! post_type_supports( $post_type_object->name, 'comments' ) ) {
				return new IXR_Error( 404, __( 'Invalid post type.' ) );
			}
			$post_type = $struct['post_type'];
		}

$offset = 0;
		if ( isset( $struct['offset'] ) ) {
			$offset = absint( $struct['offset'] );
		}

$number = 10;
		if ( isset( $struct['number'] ) ) {
			$number = absint( $struct['number'] );
		}

$comments = get_comments(
			array(
				'status'    => $status,
				'post_id'   => $post_id,
				'offset'    => $offset,
				'number'    => $number,
				'post_type' => $post_type,
			)
		);

$comments_struct = array();
		if ( is_array( $comments ) ) {
			foreach ( $comments as $comment ) {
				$comments_struct[] = $this->_prepare_comment( $comment );
			}
		}

return $comments_struct;
	}

/**
	 * Deletes a comment.
	 *
	 * By default, the comment will be moved to the Trash instead of deleted.
	 * See wp_delete_comment() for more information on this behavior.
	 *
	 * @since 2.7.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Comment ID.
	 * }
	 * @return bool|IXR_Error See wp_delete_comment().
	 */
	public function wp_deleteComment( $args ) {
		$this->escape( $args );

$username   = $args[1];
		$password   = $args[2];
		$comment_id = (int) $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! get_comment( $comment_id ) ) {
			return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
		}

if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to delete this comment.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.deleteComment', $args, $this );

$status = wp_delete_comment( $comment_id );

if ( true === $status ) {
			/**
			 * Fires after a comment has been successfully deleted via XML-RPC.
			 *
			 * @since 3.4.0
			 *
			 * @param int   $comment_id ID of the deleted comment.
			 * @param array $args       An array of arguments to delete the comment.
			 */
			do_action( 'xmlrpc_call_success_wp_deleteComment', $comment_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
		}

return $status;
	}

/**
	 * Edits a comment.
	 *
	 * Besides the common blog_id (unused), username, and password arguments,
	 * it takes a comment_id integer and a content_struct array as the last argument.
	 *
	 * The allowed keys in the content_struct array are:
	 *  - 'author'
	 *  - 'author_url'
	 *  - 'author_email'
	 *  - 'content'
	 *  - 'date_created_gmt'
	 *  - 'status'. Common statuses are 'approve', 'hold', 'spam'. See get_comment_statuses() for more details.
	 *
	 * @since 2.7.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Comment ID.
	 *     @type array  $4 Content structure.
	 * }
	 * @return true|IXR_Error True, on success.
	 */
	public function wp_editComment( $args ) {
		$this->escape( $args );

$username       = $args[1];
		$password       = $args[2];
		$comment_id     = (int) $args[3];
		$content_struct = $args[4];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! get_comment( $comment_id ) ) {
			return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
		}

if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to moderate or edit this comment.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.editComment', $args, $this );
		$comment = array(
			'comment_ID' => $comment_id,
		);

if ( isset( $content_struct['status'] ) ) {
			$statuses = get_comment_statuses();
			$statuses = array_keys( $statuses );

if ( ! in_array( $content_struct['status'], $statuses, true ) ) {
				return new IXR_Error( 401, __( 'Invalid comment status.' ) );
			}

$comment['comment_approved'] = $content_struct['status'];
		}

$comment['comment_date']     = get_date_from_gmt( $date_created );
			$comment['comment_date_gmt'] = iso8601_to_datetime( $date_created, 'gmt' );
		}

if ( isset( $content_struct['content'] ) ) {
			$comment['comment_content'] = $content_struct['content'];
		}

if ( isset( $content_struct['author'] ) ) {
			$comment['comment_author'] = $content_struct['author'];
		}

if ( isset( $content_struct['author_url'] ) ) {
			$comment['comment_author_url'] = $content_struct['author_url'];
		}

if ( isset( $content_struct['author_email'] ) ) {
			$comment['comment_author_email'] = $content_struct['author_email'];
		}

$result = wp_update_comment( $comment, true );
		if ( is_wp_error( $result ) ) {
			return new IXR_Error( 500, $result->get_error_message() );
		}

if ( ! $result ) {
			return new IXR_Error( 500, __( 'Sorry, the comment could not be updated.' ) );
		}

/**
		 * Fires after a comment has been successfully updated via XML-RPC.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $comment_id ID of the updated comment.
		 * @param array $args       An array of arguments to update the comment.
		 */
		do_action( 'xmlrpc_call_success_wp_editComment', $comment_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

return true;
	}

/**
	 * Creates a new comment.
	 *
	 * @since 2.7.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int        $0 Blog ID (unused).
	 *     @type string     $1 Username.
	 *     @type string     $2 Password.
	 *     @type string|int $3 Post ID or URL.
	 *     @type array      $4 Content structure.
	 * }
	 * @return int|IXR_Error See wp_new_comment().
	 */
	public function wp_newComment( $args ) {
		$this->escape( $args );

$username       = $args[1];
		$password       = $args[2];
		$post           = $args[3];
		$content_struct = $args[4];

/**
		 * Filters whether to allow anonymous comments over XML-RPC.
		 *
		 * @since 2.7.0
		 *
		 * @param bool $allow Whether to allow anonymous commenting via XML-RPC.
		 *                    Default false.
		 */
		$allow_anon = apply_filters( 'xmlrpc_allow_anonymous_comments', false );

$user = $this->login( $username, $password );

if ( ! $user ) {
			$logged_in = false;
			if ( $allow_anon && get_option( 'comment_registration' ) ) {
				return new IXR_Error( 403, __( 'Sorry, you must be logged in to comment.' ) );
			} elseif ( ! $allow_anon ) {
				return $this->error;
			}
		} else {
			$logged_in = true;
		}

if ( is_numeric( $post ) ) {
			$post_id = absint( $post );
		} else {
			$post_id = url_to_postid( $post );
		}

if ( ! $post_id ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! get_post( $post_id ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! comments_open( $post_id ) ) {
			return new IXR_Error( 403, __( 'Sorry, comments are closed for this item.' ) );
		}

if (
			'publish' === get_post_status( $post_id ) &&
			! current_user_can( 'edit_post', $post_id ) &&
			post_password_required( $post_id )
		) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to comment on this post.' ) );
		}

if (
			'private' === get_post_status( $post_id ) &&
			! current_user_can( 'read_post', $post_id )
		) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to comment on this post.' ) );
		}

$comment = array(
			'comment_post_ID' => $post_id,
			'comment_content' => trim( $content_struct['content'] ),
		);

if ( $logged_in ) {
			$display_name = $user->display_name;
			$user_email   = $user->user_email;
			$user_url     = $user->user_url;

$comment['comment_author']       = $this->escape( $display_name );
			$comment['comment_author_email'] = $this->escape( $user_email );
			$comment['comment_author_url']   = $this->escape( $user_url );
			$comment['user_id']              = $user->ID;
		} else {
			$comment['comment_author'] = '';
			if ( isset( $content_struct['author'] ) ) {
				$comment['comment_author'] = $content_struct['author'];
			}

$comment['comment_author_email'] = '';
			if ( isset( $content_struct['author_email'] ) ) {
				$comment['comment_author_email'] = $content_struct['author_email'];
			}

$comment['comment_author_url'] = '';
			if ( isset( $content_struct['author_url'] ) ) {
				$comment['comment_author_url'] = $content_struct['author_url'];
			}

$comment['user_id'] = 0;

if ( get_option( 'require_name_email' ) ) {
				if ( strlen( $comment['comment_author_email'] ) < 6 || '' === $comment['comment_author'] ) {
					return new IXR_Error( 403, __( 'Comment author name and email are required.' ) );
				} elseif ( ! is_email( $comment['comment_author_email'] ) ) {
					return new IXR_Error( 403, __( 'A valid email address is required.' ) );
				}
			}
		}

$comment['comment_parent'] = isset( $content_struct['comment_parent'] ) ? absint( $content_struct['comment_parent'] ) : 0;

/** This filter is documented in wp-includes/comment.php */
		$allow_empty = apply_filters( 'allow_empty_comment', false, $comment );

if ( ! $allow_empty && '' === $comment['comment_content'] ) {
			return new IXR_Error( 403, __( 'Comment is required.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.newComment', $args, $this );

$comment_id = wp_new_comment( $comment, true );
		if ( is_wp_error( $comment_id ) ) {
			return new IXR_Error( 403, $comment_id->get_error_message() );
		}

if ( ! $comment_id ) {
			return new IXR_Error( 403, __( 'An error occurred while processing your comment. Please ensure all fields are filled correctly and try again.' ) );
		}

/**
		 * Fires after a new comment has been successfully created via XML-RPC.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $comment_id ID of the new comment.
		 * @param array $args       An array of new comment arguments.
		 */
		do_action( 'xmlrpc_call_success_wp_newComment', $comment_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

return $comment_id;
	}

/**
	 * Retrieves all of the comment status.
	 *
	 * @since 2.7.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getCommentStatusList( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'publish_posts' ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to access details about this site.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getCommentStatusList', $args, $this );

return get_comment_statuses();
	}

/**
	 * Retrieves comment counts.
	 *
	 * @since 2.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Post ID.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getCommentCount( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$post_id  = (int) $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

$post = get_post( $post_id, ARRAY_A );
		if ( empty( $post['ID'] ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to access details of this post.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getCommentCount', $args, $this );

$count = wp_count_comments( $post_id );

return array(
			'approved'            => $count->approved,
			'awaiting_moderation' => $count->moderated,
			'spam'                => $count->spam,
			'total_comments'      => $count->total_comments,
		);
	}

/**
	 * Retrieves post statuses.
	 *
	 * @since 2.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getPostStatusList( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to access details about this site.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPostStatusList', $args, $this );

return get_post_statuses();
	}

/**
	 * Retrieves page statuses.
	 *
	 * @since 2.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getPageStatusList( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_pages' ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to access details about this site.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPageStatusList', $args, $this );

return get_page_statuses();
	}

/**
	 * Retrieves page templates.
	 *
	 * @since 2.6.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getPageTemplates( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_pages' ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to access details about this site.' ) );
		}

$templates            = get_page_templates();
		$templates['Default'] = 'default';

return $templates;
	}

/**
	 * Retrieves blog options.
	 *
	 * @since 2.6.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Optional. Options.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getOptions( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$options  = isset( $args[3] ) ? (array) $args[3] : array();

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

// If no specific options where asked for, return all of them.
		if ( count( $options ) === 0 ) {
			$options = array_keys( $this->blog_options );
		}

return $this->_getOptions( $options );
	}

/**
	 * Retrieves blog options value from list.
	 *
	 * @since 2.6.0
	 *
	 * @param array $options Options to retrieve.
	 * @return array
	 */
	public function _getOptions( $options ) {
		$data       = array();
		$can_manage = current_user_can( 'manage_options' );
		foreach ( $options as $option ) {
			if ( array_key_exists( $option, $this->blog_options ) ) {
				$data[ $option ] = $this->blog_options[ $option ];
				// Is the value static or dynamic?
				if ( isset( $data[ $option ]['option'] ) ) {
					$data[ $option ]['value'] = get_option( $data[ $option ]['option'] );
					unset( $data[ $option ]['option'] );
				}

if ( ! $can_manage ) {
					$data[ $option ]['readonly'] = true;
				}
			}
		}

return $data;
	}

/**
	 * Updates blog options.
	 *
	 * @since 2.6.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Options.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_setOptions( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$options  = (array) $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'manage_options' ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to update options.' ) );
		}

$option_names = array();
		foreach ( $options as $o_name => $o_value ) {
			$option_names[] = $o_name;
			if ( ! array_key_exists( $o_name, $this->blog_options ) ) {
				continue;
			}

if ( $this->blog_options[ $o_name ]['readonly'] ) {
				continue;
			}

update_option( $this->blog_options[ $o_name ]['option'], wp_unslash( $o_value ) );
		}

// Now return the updated values.
		return $this->_getOptions( $option_names );
	}

/**
	 * Retrieves a media item by ID.
	 *
	 * @since 3.1.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Attachment ID.
	 * }
	 * @return array|IXR_Error Associative array contains:
	 *  - 'date_created_gmt'
	 *  - 'parent'
	 *  - 'link'
	 *  - 'thumbnail'
	 *  - 'title'
	 *  - 'caption'
	 *  - 'description'
	 *  - 'metadata'
	 */
	public function wp_getMediaItem( $args ) {
		$this->escape( $args );

$username      = $args[1];
		$password      = $args[2];
		$attachment_id = (int) $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'upload_files' ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to upload files.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getMediaItem', $args, $this );

$attachment = get_post( $attachment_id );
		if ( ! $attachment || 'attachment' !== $attachment->post_type ) {
			return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
		}

return $this->_prepare_media_item( $attachment );
	}

/**
	 * Retrieves a collection of media library items (or attachments).
	 *
	 * Besides the common blog_id (unused), username, and password arguments,
	 * it takes a filter array as the last argument.
	 *
	 * Accepted 'filter' keys are 'parent_id', 'mime_type', 'offset', and 'number'.
	 *
	 * The defaults are as follows:
	 * - 'number'    - Default is 5. Total number of media items to retrieve.
	 * - 'offset'    - Default is 0. See WP_Query::query() for more.
	 * - 'parent_id' - Default is ''. The post where the media item is attached.
	 *                 Empty string shows all media items. 0 shows unattached media items.
	 * - 'mime_type' - Default is ''. Filter by mime type (e.g., 'image/jpeg', 'application/pdf')
	 *
	 * @since 3.1.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Optional. Query arguments.
	 * }
	 * @return array|IXR_Error Array containing a collection of media items.
	 *                         See wp_xmlrpc_server::wp_getMediaItem() for a description
	 *                         of each item contents.
	 */
	public function wp_getMediaLibrary( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$struct   = $args[3] ?? array();

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'upload_files' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to upload files.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getMediaLibrary', $args, $this );

$parent_id = ( isset( $struct['parent_id'] ) ) ? absint( $struct['parent_id'] ) : '';
		$mime_type = $struct['mime_type'] ?? '';
		$offset    = ( isset( $struct['offset'] ) ) ? absint( $struct['offset'] ) : 0;
		$number    = ( isset( $struct['number'] ) ) ? absint( $struct['number'] ) : -1;

$attachments = get_posts(
			array(
				'post_type'      => 'attachment',
				'post_parent'    => $parent_id,
				'offset'         => $offset,
				'numberposts'    => $number,
				'post_mime_type' => $mime_type,
			)
		);

$attachments_struct = array();

foreach ( $attachments as $attachment ) {
			$attachments_struct[] = $this->_prepare_media_item( $attachment );
		}

return $attachments_struct;
	}

/**
	 * Retrieves a list of post formats used by the site.
	 *
	 * @since 3.1.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error List of post formats, otherwise IXR_Error object.
	 */
	public function wp_getPostFormats( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 403, __( 'Sorry, you are not allowed to access details about this site.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPostFormats', $args, $this );

$formats = get_post_format_strings();

// Find out if they want a list of currently supports formats.
		if ( isset( $args[3] ) && is_array( $args[3] ) ) {
			if ( $args[3]['show-supported'] ) {
				if ( current_theme_supports( 'post-formats' ) ) {
					$supported = get_theme_support( 'post-formats' );

$data              = array();
					$data['all']       = $formats;
					$data['supported'] = $supported[0];

$formats = $data;
				}
			}
		}

return $formats;
	}

/**
	 * Retrieves a post type.
	 *
	 * @since 3.4.0
	 *
	 * @see get_post_type_object()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type string $3 Post type name.
	 *     @type array  $4 Optional. Fields to fetch.
	 * }
	 * @return array|IXR_Error Array contains:
	 *  - 'labels'
	 *  - 'description'
	 *  - 'capability_type'
	 *  - 'cap'
	 *  - 'map_meta_cap'
	 *  - 'hierarchical'
	 *  - 'menu_position'
	 *  - 'taxonomies'
	 *  - 'supports'
	 */
	public function wp_getPostType( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username       = $args[1];
		$password       = $args[2];
		$post_type_name = $args[3];

if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/**
			 * Filters the default post type query fields used by the given XML-RPC method.
			 *
			 * @since 3.4.0
			 *
			 * @param array  $fields An array of post type fields to retrieve. By default,
			 *                       contains 'labels', 'cap', and 'taxonomies'.
			 * @param string $method The method name.
			 */
			$fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostType' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPostType', $args, $this );

if ( ! post_type_exists( $post_type_name ) ) {
			return new IXR_Error( 403, __( 'Invalid post type.' ) );
		}

$post_type = get_post_type_object( $post_type_name );

if ( ! current_user_can( $post_type->cap->edit_posts ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts in this post type.' ) );
		}

return $this->_prepare_post_type( $post_type, $fields );
	}

/**
	 * Retrieves post types.
	 *
	 * @since 3.4.0
	 *
	 * @see get_post_types()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Optional. Query arguments.
	 *     @type array  $4 Optional. Fields to fetch.
	 * }
	 * @return array|IXR_Error
	 */
	public function wp_getPostTypes( $args ) {
		if ( ! $this->minimum_args( $args, 3 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$filter   = $args[3] ?? array( 'public' => true );

if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
			$fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostTypes' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getPostTypes', $args, $this );

$post_types = get_post_types( $filter, 'objects' );

$struct = array();

foreach ( $post_types as $post_type ) {
			if ( ! current_user_can( $post_type->cap->edit_posts ) ) {
				continue;
			}

$struct[ $post_type->name ] = $this->_prepare_post_type( $post_type, $fields );
		}

return $struct;
	}

/**
	 * Retrieves revisions for a specific post.
	 *
	 * @since 3.5.0
	 *
	 * The optional $fields parameter specifies what fields will be included
	 * in the response array.
	 *
	 * @uses wp_get_post_revisions()
	 * @see wp_getPost() for more on $fields
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Post ID.
	 *     @type array  $4 Optional. Fields to fetch.
	 * }
	 * @return array|IXR_Error Array containing a collection of posts.
	 */
	public function wp_getRevisions( $args ) {
		if ( ! $this->minimum_args( $args, 4 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		$post_id  = (int) $args[3];

if ( isset( $args[4] ) ) {
			$fields = $args[4];
		} else {
			/**
			 * Filters the default revision query fields used by the given XML-RPC method.
			 *
			 * @since 3.5.0
			 *
			 * @param array  $field  An array of revision fields to retrieve. By default,
			 *                       contains 'post_date' and 'post_date_gmt'.
			 * @param string $method The method name.
			 */
			$fields = apply_filters( 'xmlrpc_default_revision_fields', array( 'post_date', 'post_date_gmt' ), 'wp.getRevisions' );
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.getRevisions', $args, $this );

$post = get_post( $post_id );
		if ( ! $post ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );
		}

// Check if revisions are enabled.
		if ( ! wp_revisions_enabled( $post ) ) {
			return new IXR_Error( 401, __( 'Sorry, revisions are disabled.' ) );
		}

$revisions = wp_get_post_revisions( $post_id );

if ( ! $revisions ) {
			return array();
		}

$struct = array();

foreach ( $revisions as $revision ) {
			if ( ! current_user_can( 'read_post', $revision->ID ) ) {
				continue;
			}

// Skip autosaves.
			if ( wp_is_post_autosave( $revision ) ) {
				continue;
			}

$struct[] = $this->_prepare_post( get_object_vars( $revision ), $fields );
		}

return $struct;
	}

/**
	 * Restores a post revision.
	 *
	 * @since 3.5.0
	 *
	 * @uses wp_restore_post_revision()
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Revision ID.
	 * }
	 * @return bool|IXR_Error false if there was an error restoring, true if success.
	 */
	public function wp_restoreRevision( $args ) {
		if ( ! $this->minimum_args( $args, 3 ) ) {
			return $this->error;
		}

$this->escape( $args );

$username    = $args[1];
		$password    = $args[2];
		$revision_id = (int) $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'wp.restoreRevision', $args, $this );

$revision = wp_get_post_revision( $revision_id );
		if ( ! $revision ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( wp_is_post_autosave( $revision ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

$post = get_post( $revision->post_parent );
		if ( ! $post ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_post', $revision->post_parent ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
		}

// Check if revisions are disabled.
		if ( ! wp_revisions_enabled( $post ) ) {
			return new IXR_Error( 401, __( 'Sorry, revisions are disabled.' ) );
		}

$post = wp_restore_post_revision( $revision_id );

return (bool) $post;
	}

/*
	 * Blogger API functions.
	 * Specs on http://plant.blogger.com/api and https://groups.yahoo.com/group/bloggerDev/
	 */

/**
	 * Retrieves blogs that user owns.
	 *
	 * Will make more sense once we support multiple blogs.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function blogger_getUsersBlogs( $args ) {
		if ( ! $this->minimum_args( $args, 3 ) ) {
			return $this->error;
		}

if ( is_multisite() ) {
			return $this->_multisite_getUsersBlogs( $args );
		}

$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'blogger.getUsersBlogs', $args, $this );

$is_admin = current_user_can( 'manage_options' );

$struct = array(
			'isAdmin'  => $is_admin,
			'url'      => get_option( 'home' ) . '/',
			'blogid'   => '1',
			'blogName' => get_option( 'blogname' ),
			'xmlrpc'   => site_url( 'xmlrpc.php', 'rpc' ),
		);

return array( $struct );
	}

/**
	 * Private function for retrieving a users blogs for multisite setups.
	 *
	 * @since 3.0.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	protected function _multisite_getUsersBlogs( $args ) {
		$current_blog = get_site();

$domain = $current_blog->domain;
		$path   = $current_blog->path . 'xmlrpc.php';

$blogs = $this->wp_getUsersBlogs( $args );
		if ( $blogs instanceof IXR_Error ) {
			return $blogs;
		}

if ( $_SERVER['HTTP_HOST'] === $domain && $_SERVER['REQUEST_URI'] === $path ) {
			return $blogs;
		} else {
			foreach ( (array) $blogs as $blog ) {
				if ( str_contains( $blog['url'], $_SERVER['HTTP_HOST'] ) ) {
					return array( $blog );
				}
			}
			return array();
		}
	}

/**
	 * Retrieves user's data.
	 *
	 * Gives your client some info about you, so you don't have to.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function blogger_getUserInfo( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to access user data on this site.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'blogger.getUserInfo', $args, $this );

$struct = array(
			'nickname'  => $user->nickname,
			'userid'    => $user->ID,
			'url'       => $user->user_url,
			'lastname'  => $user->last_name,
			'firstname' => $user->first_name,
		);

return $struct;
	}

/**
	 * Retrieves a post.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type int    $1 Post ID.
	 *     @type string $2 Username.
	 *     @type string $3 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function blogger_getPost( $args ) {
		$this->escape( $args );

$post_id  = (int) $args[1];
		$username = $args[2];
		$password = $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

$post_data = get_post( $post_id, ARRAY_A );
		if ( ! $post_data ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'blogger.getPost', $args, $this );

$categories = implode( ',', wp_get_post_categories( $post_id ) );

$content  = '<title>' . wp_unslash( $post_data['post_title'] ) . '</title>';
		$content .= '<category>' . $categories . '</category>';
		$content .= wp_unslash( $post_data['post_content'] );

$struct = array(
			'userid'      => $post_data['post_author'],
			'dateCreated' => $this->_convert_date( $post_data['post_date'] ),
			'content'     => $content,
			'postid'      => (string) $post_data['ID'],
		);

return $struct;
	}

/**
	 * Retrieves the list of recent posts.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type string $0 App key (unused).
	 *     @type int    $1 Blog ID (unused).
	 *     @type string $2 Username.
	 *     @type string $3 Password.
	 *     @type int    $4 Optional. Number of posts.
	 * }
	 * @return array|IXR_Error
	 */
	public function blogger_getRecentPosts( $args ) {

$this->escape( $args );

// $args[0] = appkey - ignored.
		$username = $args[2];
		$password = $args[3];
		if ( isset( $args[4] ) ) {
			$query = array( 'numberposts' => absint( $args[4] ) );
		} else {
			$query = array();
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'blogger.getRecentPosts', $args, $this );

$posts_list = wp_get_recent_posts( $query );

if ( ! $posts_list ) {
			$this->error = new IXR_Error( 500, __( 'No posts found or an error occurred while retrieving posts.' ) );
			return $this->error;
		}

$recent_posts = array();
		foreach ( $posts_list as $entry ) {
			if ( ! current_user_can( 'edit_post', $entry['ID'] ) ) {
				continue;
			}

$post_date  = $this->_convert_date( $entry['post_date'] );
			$categories = implode( ',', wp_get_post_categories( $entry['ID'] ) );

$content  = '<title>' . wp_unslash( $entry['post_title'] ) . '</title>';
			$content .= '<category>' . $categories . '</category>';
			$content .= wp_unslash( $entry['post_content'] );

$recent_posts[] = array(
				'userid'      => $entry['post_author'],
				'dateCreated' => $post_date,
				'content'     => $content,
				'postid'      => (string) $entry['ID'],
			);
		}

return $recent_posts;
	}

/**
	 * Deprecated.
	 *
	 * @since 1.5.0
	 * @deprecated 3.5.0
	 *
	 * @param array $args Unused.
	 * @return IXR_Error Error object.
	 */
	public function blogger_getTemplate( $args ) {
		return new IXR_Error( 403, __( 'Sorry, this method is not supported.' ) );
	}

/**
	 * Deprecated.
	 *
	 * @since 1.5.0
	 * @deprecated 3.5.0
	 *
	 * @param array $args Unused.
	 * @return IXR_Error Error object.
	 */
	public function blogger_setTemplate( $args ) {
		return new IXR_Error( 403, __( 'Sorry, this method is not supported.' ) );
	}

/**
	 * Creates a new post.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type string $0 App key (unused).
	 *     @type int    $1 Blog ID (unused).
	 *     @type string $2 Username.
	 *     @type string $3 Password.
	 *     @type string $4 Content.
	 *     @type int    $5 Publish flag. 0 for draft, 1 for publish.
	 * }
	 * @return int|IXR_Error
	 */
	public function blogger_newPost( $args ) {
		$this->escape( $args );

$username = $args[2];
		$password = $args[3];
		$content  = $args[4];
		$publish  = $args[5];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'blogger.newPost', $args, $this );

$cap = ( $publish ) ? 'publish_posts' : 'edit_posts';
		if ( ! current_user_can( get_post_type_object( 'post' )->cap->create_posts ) || ! current_user_can( $cap ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to post on this site.' ) );
		}

$post_status = ( $publish ) ? 'publish' : 'draft';

$post_author = $user->ID;

$post_title    = xmlrpc_getposttitle( $content );
		$post_category = xmlrpc_getpostcategory( $content );
		$post_content  = xmlrpc_removepostdata( $content );

$post_date     = current_time( 'mysql' );
		$post_date_gmt = current_time( 'mysql', true );

$post_data = compact(
			'post_author',
			'post_date',
			'post_date_gmt',
			'post_content',
			'post_title',
			'post_category',
			'post_status'
		);

$post_id = wp_insert_post( $post_data );
		if ( is_wp_error( $post_id ) ) {
			return new IXR_Error( 500, $post_id->get_error_message() );
		}

if ( ! $post_id ) {
			return new IXR_Error( 500, __( 'Sorry, the post could not be created.' ) );
		}

$this->attach_uploads( $post_id, $post_content );

/**
		 * Fires after a new post has been successfully created via the XML-RPC Blogger API.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $post_id ID of the new post.
		 * @param array $args    An array of new post arguments.
		 */
		do_action( 'xmlrpc_call_success_blogger_newPost', $post_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

return $post_id;
	}

/**
	 * Edits a post.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type int    $1 Post ID.
	 *     @type string $2 Username.
	 *     @type string $3 Password.
	 *     @type string $4 Content
	 *     @type int    $5 Publish flag. 0 for draft, 1 for publish.
	 * }
	 * @return true|IXR_Error true when done.
	 */
	public function blogger_editPost( $args ) {

$this->escape( $args );

$post_id  = (int) $args[1];
		$username = $args[2];
		$password = $args[3];
		$content  = $args[4];
		$publish  = $args[5];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'blogger.editPost', $args, $this );

$actual_post = get_post( $post_id, ARRAY_A );

if ( ! $actual_post || 'post' !== $actual_post['post_type'] ) {
			return new IXR_Error( 404, __( 'Sorry, no such post.' ) );
		}

$this->escape( $actual_post );

if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
		}
		if ( 'publish' === $actual_post['post_status'] && ! current_user_can( 'publish_posts' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish this post.' ) );
		}

$postdata                  = array();
		$postdata['ID']            = $actual_post['ID'];
		$postdata['post_content']  = xmlrpc_removepostdata( $content );
		$postdata['post_title']    = xmlrpc_getposttitle( $content );
		$postdata['post_category'] = xmlrpc_getpostcategory( $content );
		$postdata['post_status']   = $actual_post['post_status'];
		$postdata['post_excerpt']  = $actual_post['post_excerpt'];
		$postdata['post_status']   = $publish ? 'publish' : 'draft';

$result = wp_update_post( $postdata );

if ( ! $result ) {
			return new IXR_Error( 500, __( 'Sorry, the post could not be updated.' ) );
		}
		$this->attach_uploads( $actual_post['ID'], $postdata['post_content'] );

/**
		 * Fires after a post has been successfully updated via the XML-RPC Blogger API.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $post_id ID of the updated post.
		 * @param array $args    An array of arguments for the post to edit.
		 */
		do_action( 'xmlrpc_call_success_blogger_editPost', $post_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

return true;
	}

/**
	 * Deletes a post.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type int    $1 Post ID.
	 *     @type string $2 Username.
	 *     @type string $3 Password.
	 * }
	 * @return true|IXR_Error True when post is deleted.
	 */
	public function blogger_deletePost( $args ) {
		$this->escape( $args );

$post_id  = (int) $args[1];
		$username = $args[2];
		$password = $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'blogger.deletePost', $args, $this );

$actual_post = get_post( $post_id, ARRAY_A );

if ( ! $actual_post || 'post' !== $actual_post['post_type'] ) {
			return new IXR_Error( 404, __( 'Sorry, no such post.' ) );
		}

if ( ! current_user_can( 'delete_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to delete this post.' ) );
		}

$result = wp_delete_post( $post_id );

if ( ! $result ) {
			return new IXR_Error( 500, __( 'Sorry, the post could not be deleted.' ) );
		}

/**
		 * Fires after a post has been successfully deleted via the XML-RPC Blogger API.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $post_id ID of the deleted post.
		 * @param array $args    An array of arguments to delete the post.
		 */
		do_action( 'xmlrpc_call_success_blogger_deletePost', $post_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

return true;
	}

/*
	 * MetaWeblog API functions.
	 * Specs on wherever Dave Winer wants them to be.
	 */

/**
	 * Creates a new post.
	 *
	 * The 'content_struct' argument must contain:
	 *  - title
	 *  - description
	 *  - mt_excerpt
	 *  - mt_text_more
	 *  - mt_keywords
	 *  - mt_tb_ping_urls
	 *  - categories
	 *
	 * Also, it can optionally contain:
	 *  - wp_slug
	 *  - wp_password
	 *  - wp_page_parent_id
	 *  - wp_page_order
	 *  - wp_author_id
	 *  - post_status | page_status - can be 'draft', 'private', 'publish', or 'pending'
	 *  - mt_allow_comments - can be 'open' or 'closed'
	 *  - mt_allow_pings - can be 'open' or 'closed'
	 *  - date_created_gmt
	 *  - dateCreated
	 *  - wp_post_thumbnail
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Content structure.
	 *     @type int    $4 Optional. Publish flag. 0 for draft, 1 for publish. Default 0.
	 * }
	 * @return int|IXR_Error
	 */
	public function mw_newPost( $args ) {
		$this->escape( $args );

$username       = $args[1];
		$password       = $args[2];
		$content_struct = $args[3];
		$publish        = $args[4] ?? 0;

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'metaWeblog.newPost', $args, $this );

$page_template = '';
		if ( ! empty( $content_struct['post_type'] ) ) {
			if ( 'page' === $content_struct['post_type'] ) {
				if ( $publish ) {
					$cap = 'publish_pages';
				} elseif ( isset( $content_struct['page_status'] ) && 'publish' === $content_struct['page_status'] ) {
					$cap = 'publish_pages';
				} else {
					$cap = 'edit_pages';
				}
				$error_message = __( 'Sorry, you are not allowed to publish pages on this site.' );
				$post_type     = 'page';
				if ( ! empty( $content_struct['wp_page_template'] ) ) {
					$page_template = $content_struct['wp_page_template'];
				}
			} elseif ( 'post' === $content_struct['post_type'] ) {
				if ( $publish ) {
					$cap = 'publish_posts';
				} elseif ( isset( $content_struct['post_status'] ) && 'publish' === $content_struct['post_status'] ) {
					$cap = 'publish_posts';
				} else {
					$cap = 'edit_posts';
				}
				$error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
				$post_type     = 'post';
			} else {
				// No other 'post_type' values are allowed here.
				return new IXR_Error( 401, __( 'Invalid post type.' ) );
			}
		} else {
			if ( $publish ) {
				$cap = 'publish_posts';
			} elseif ( isset( $content_struct['post_status'] ) && 'publish' === $content_struct['post_status'] ) {
				$cap = 'publish_posts';
			} else {
				$cap = 'edit_posts';
			}
			$error_message = __( 'Sorry, you are not allowed to publish posts on this site.' );
			$post_type     = 'post';
		}

if ( ! current_user_can( get_post_type_object( $post_type )->cap->create_posts ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish posts on this site.' ) );
		}
		if ( ! current_user_can( $cap ) ) {
			return new IXR_Error( 401, $error_message );
		}

// Check for a valid post format if one was given.
		if ( isset( $content_struct['wp_post_format'] ) ) {
			$content_struct['wp_post_format'] = sanitize_key( $content_struct['wp_post_format'] );
			if ( ! array_key_exists( $content_struct['wp_post_format'], get_post_format_strings() ) ) {
				return new IXR_Error( 404, __( 'Invalid post format.' ) );
			}
		}

// Let WordPress generate the 'post_name' (slug) unless
		// one has been provided.
		$post_name = null;
		if ( isset( $content_struct['wp_slug'] ) ) {
			$post_name = $content_struct['wp_slug'];
		}

// Only use a password if one was given.
		$post_password = '';
		if ( isset( $content_struct['wp_password'] ) ) {
			$post_password = $content_struct['wp_password'];
		}

// Only set a post parent if one was given.
		$post_parent = 0;
		if ( isset( $content_struct['wp_page_parent_id'] ) ) {
			$post_parent = $content_struct['wp_page_parent_id'];
		}

// Only set the 'menu_order' if it was given.
		$menu_order = 0;
		if ( isset( $content_struct['wp_page_order'] ) ) {
			$menu_order = $content_struct['wp_page_order'];
		}

$post_author = $user->ID;

// If an author ID was provided then use it instead.
		if ( isset( $content_struct['wp_author_id'] ) && ( $user->ID !== (int) $content_struct['wp_author_id'] ) ) {
			switch ( $post_type ) {
				case 'post':
					if ( ! current_user_can( 'edit_others_posts' ) ) {
						return new IXR_Error( 401, __( 'Sorry, you are not allowed to create posts as this user.' ) );
					}
					break;
				case 'page':
					if ( ! current_user_can( 'edit_others_pages' ) ) {
						return new IXR_Error( 401, __( 'Sorry, you are not allowed to create pages as this user.' ) );
					}
					break;
				default:
					return new IXR_Error( 401, __( 'Invalid post type.' ) );
			}
			$author = get_userdata( $content_struct['wp_author_id'] );
			if ( ! $author ) {
				return new IXR_Error( 404, __( 'Invalid author ID.' ) );
			}
			$post_author = $content_struct['wp_author_id'];
		}

$post_title   = $content_struct['title'] ?? '';
		$post_content = $content_struct['description'] ?? '';

$post_status = $publish ? 'publish' : 'draft';

if ( isset( $content_struct[ "{$post_type}_status" ] ) ) {
			switch ( $content_struct[ "{$post_type}_status" ] ) {
				case 'draft':
				case 'pending':
				case 'private':
				case 'publish':
					$post_status = $content_struct[ "{$post_type}_status" ];
					break;
				default:
					// Deliberably left empty.
					break;
			}
		}

$post_excerpt = $content_struct['mt_excerpt'] ?? '';
		$post_more    = $content_struct['mt_text_more'] ?? '';

$tags_input = $content_struct['mt_keywords'] ?? array();

if ( isset( $content_struct['mt_allow_comments'] ) ) {
			if ( ! is_numeric( $content_struct['mt_allow_comments'] ) ) {
				switch ( $content_struct['mt_allow_comments'] ) {
					case 'closed':
						$comment_status = 'closed';
						break;
					case 'open':
						$comment_status = 'open';
						break;
					default:
						$comment_status = get_default_comment_status( $post_type );
						break;
				}
			} else {
				switch ( (int) $content_struct['mt_allow_comments'] ) {
					case 0:
					case 2:
						$comment_status = 'closed';
						break;
					case 1:
						$comment_status = 'open';
						break;
					default:
						$comment_status = get_default_comment_status( $post_type );
						break;
				}
			}
		} else {
			$comment_status = get_default_comment_status( $post_type );
		}

if ( isset( $content_struct['mt_allow_pings'] ) ) {
			if ( ! is_numeric( $content_struct['mt_allow_pings'] ) ) {
				switch ( $content_struct['mt_allow_pings'] ) {
					case 'closed':
						$ping_status = 'closed';
						break;
					case 'open':
						$ping_status = 'open';
						break;
					default:
						$ping_status = get_default_comment_status( $post_type, 'pingback' );
						break;
				}
			} else {
				switch ( (int) $content_struct['mt_allow_pings'] ) {
					case 0:
						$ping_status = 'closed';
						break;
					case 1:
						$ping_status = 'open';
						break;
					default:
						$ping_status = get_default_comment_status( $post_type, 'pingback' );
						break;
				}
			}
		} else {
			$ping_status = get_default_comment_status( $post_type, 'pingback' );
		}

if ( $post_more ) {
			$post_content .= '' . $post_more;
		}

$to_ping = '';
		if ( isset( $content_struct['mt_tb_ping_urls'] ) ) {
			$to_ping = $content_struct['mt_tb_ping_urls'];
			if ( is_array( $to_ping ) ) {
				$to_ping = implode( ' ', $to_ping );
			}
		}

// Do some timestamp voodoo.
		if ( ! empty( $content_struct['date_created_gmt'] ) ) {
			// We know this is supposed to be GMT, so we're going to slap that Z on there by force.
			$date_created = rtrim( $content_struct['date_created_gmt']->getIso(), 'Z' ) . 'Z';
		} elseif ( ! empty( $content_struct['dateCreated'] ) ) {
			$date_created = $content_struct['dateCreated']->getIso();
		}

$post_date     = '';
		$post_date_gmt = '';
		if ( ! empty( $date_created ) ) {
			$post_date     = iso8601_to_datetime( $date_created );
			$post_date_gmt = iso8601_to_datetime( $date_created, 'gmt' );
		}

$post_category = array();
		if ( isset( $content_struct['categories'] ) ) {
			$catnames = $content_struct['categories'];

if ( is_array( $catnames ) ) {
				foreach ( $catnames as $cat ) {
					$post_category[] = get_cat_ID( $cat );
				}
			}
		}

$postdata = compact(
			'post_author',
			'post_date',
			'post_date_gmt',
			'post_content',
			'post_title',
			'post_category',
			'post_status',
			'post_excerpt',
			'comment_status',
			'ping_status',
			'to_ping',
			'post_type',
			'post_name',
			'post_password',
			'post_parent',
			'menu_order',
			'tags_input',
			'page_template'
		);

$post_id        = get_default_post_to_edit( $post_type, true )->ID;
		$postdata['ID'] = $post_id;

// Only posts can be sticky.
		if ( 'post' === $post_type && isset( $content_struct['sticky'] ) ) {
			$data           = $postdata;
			$data['sticky'] = $content_struct['sticky'];
			$error          = $this->_toggle_sticky( $data );
			if ( $error ) {
				return $error;
			}
		}

if ( isset( $content_struct['custom_fields'] ) ) {
			$this->set_custom_fields( $post_id, $content_struct['custom_fields'] );
		}

if ( isset( $content_struct['wp_post_thumbnail'] ) ) {
			if ( set_post_thumbnail( $post_id, $content_struct['wp_post_thumbnail'] ) === false ) {
				return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
			}

unset( $content_struct['wp_post_thumbnail'] );
		}

// Handle enclosures.
		$enclosure = $content_struct['enclosure'] ?? null;
		$this->add_enclosure_if_new( $post_id, $enclosure );

$this->attach_uploads( $post_id, $post_content );

/*
		 * Handle post formats if assigned, value is validated earlier
		 * in this function.
		 */
		if ( isset( $content_struct['wp_post_format'] ) ) {
			set_post_format( $post_id, $content_struct['wp_post_format'] );
		}

$post_id = wp_insert_post( $postdata, true );
		if ( is_wp_error( $post_id ) ) {
			return new IXR_Error( 500, $post_id->get_error_message() );
		}

if ( ! $post_id ) {
			return new IXR_Error( 500, __( 'Sorry, the post could not be created.' ) );
		}

/**
		 * Fires after a new post has been successfully created via the XML-RPC MovableType API.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $post_id ID of the new post.
		 * @param array $args    An array of arguments to create the new post.
		 */
		do_action( 'xmlrpc_call_success_mw_newPost', $post_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

return (string) $post_id;
	}

/**
	 * Adds an enclosure to a post if it's new.
	 *
	 * @since 2.8.0
	 *
	 * @param int   $post_id   Post ID.
	 * @param array $enclosure Enclosure data.
	 */
	public function add_enclosure_if_new( $post_id, $enclosure ) {
		if ( is_array( $enclosure ) && isset( $enclosure['url'] ) && isset( $enclosure['length'] ) && isset( $enclosure['type'] ) ) {
			$encstring  = $enclosure['url'] . "\n" . $enclosure['length'] . "\n" . $enclosure['type'] . "\n";
			$found      = false;
			$enclosures = get_post_meta( $post_id, 'enclosure' );
			if ( $enclosures ) {
				foreach ( $enclosures as $enc ) {
					// This method used to omit the trailing new line. #23219
					if ( rtrim( $enc, "\n" ) === rtrim( $encstring, "\n" ) ) {
						$found = true;
						break;
					}
				}
			}
			if ( ! $found ) {
				add_post_meta( $post_id, 'enclosure', $encstring );
			}
		}
	}

/**
	 * Attaches an upload to a post.
	 *
	 * @since 2.1.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param int    $post_id      Post ID.
	 * @param string $post_content Post Content for attachment.
	 */
	public function attach_uploads( $post_id, $post_content ) {
		global $wpdb;

// Find any unattached files.
		$attachments = $wpdb->get_results( "SELECT ID, guid FROM {$wpdb->posts} WHERE post_parent = '0' AND post_type = 'attachment'" );
		if ( is_array( $attachments ) ) {
			foreach ( $attachments as $file ) {
				if ( ! empty( $file->guid ) && str_contains( $post_content, $file->guid ) ) {
					$wpdb->update( $wpdb->posts, array( 'post_parent' => $post_id ), array( 'ID' => $file->ID ) );
				}
			}
		}
	}

/**
	 * Edits a post.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Post ID.
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Content structure.
	 *     @type int    $4 Optional. Publish flag. 0 for draft, 1 for publish. Default 0.
	 * }
	 * @return true|IXR_Error True on success.
	 */
	public function mw_editPost( $args ) {
		$this->escape( $args );

$post_id        = (int) $args[0];
		$username       = $args[1];
		$password       = $args[2];
		$content_struct = $args[3];
		$publish        = $args[4] ?? 0;

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'metaWeblog.editPost', $args, $this );

$postdata = get_post( $post_id, ARRAY_A );

/*
		 * If there is no post data for the give post ID, stop now and return an error.
		 * Otherwise a new post will be created (which was the old behavior).
		 */
		if ( ! $postdata || empty( $postdata['ID'] ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
		}

// Use wp.editPost to edit post types other than post and page.
		if ( ! in_array( $postdata['post_type'], array( 'post', 'page' ), true ) ) {
			return new IXR_Error( 401, __( 'Invalid post type.' ) );
		}

// Thwart attempt to change the post type.
		if ( ! empty( $content_struct['post_type'] ) && ( $content_struct['post_type'] !== $postdata['post_type'] ) ) {
			return new IXR_Error( 401, __( 'The post type may not be changed.' ) );
		}

$this->escape( $postdata );

$post_id        = $postdata['ID'];
		$post_content   = $postdata['post_content'];
		$post_title     = $postdata['post_title'];
		$post_excerpt   = $postdata['post_excerpt'];
		$post_password  = $postdata['post_password'];
		$post_parent    = $postdata['post_parent'];
		$post_type      = $postdata['post_type'];
		$menu_order     = $postdata['menu_order'];
		$ping_status    = $postdata['ping_status'];
		$comment_status = $postdata['comment_status'];

// Let WordPress manage slug if none was provided.
		$post_name = $postdata['post_name'];
		if ( isset( $content_struct['wp_slug'] ) ) {
			$post_name = $content_struct['wp_slug'];
		}

// Only use a password if one was given.
		if ( isset( $content_struct['wp_password'] ) ) {
			$post_password = $content_struct['wp_password'];
		}

// Only set a post parent if one was given.
		if ( isset( $content_struct['wp_page_parent_id'] ) ) {
			$post_parent = $content_struct['wp_page_parent_id'];
		}

// Only set the 'menu_order' if it was given.
		if ( isset( $content_struct['wp_page_order'] ) ) {
			$menu_order = $content_struct['wp_page_order'];
		}

$page_template = '';
		if ( ! empty( $content_struct['wp_page_template'] ) && 'page' === $post_type ) {
			$page_template = $content_struct['wp_page_template'];
		}

$post_author = $postdata['post_author'];

// If an author ID was provided then use it instead.
		if ( isset( $content_struct['wp_author_id'] ) ) {
			// Check permissions if attempting to switch author to or from another user.
			if ( $user->ID !== (int) $content_struct['wp_author_id'] || $user->ID !== (int) $post_author ) {
				switch ( $post_type ) {
					case 'post':
						if ( ! current_user_can( 'edit_others_posts' ) ) {
							return new IXR_Error( 401, __( 'Sorry, you are not allowed to change the post author as this user.' ) );
						}
						break;
					case 'page':
						if ( ! current_user_can( 'edit_others_pages' ) ) {
							return new IXR_Error( 401, __( 'Sorry, you are not allowed to change the page author as this user.' ) );
						}
						break;
					default:
						return new IXR_Error( 401, __( 'Invalid post type.' ) );
				}
				$post_author = $content_struct['wp_author_id'];
			}
		}

if ( isset( $content_struct['title'] ) ) {
			$post_title = $content_struct['title'];
		}

if ( isset( $content_struct['description'] ) ) {
			$post_content = $content_struct['description'];
		}

$post_category = array();
		if ( isset( $content_struct['categories'] ) ) {
			$catnames = $content_struct['categories'];
			if ( is_array( $catnames ) ) {
				foreach ( $catnames as $cat ) {
					$post_category[] = get_cat_ID( $cat );
				}
			}
		}

if ( isset( $content_struct['mt_excerpt'] ) ) {
			$post_excerpt = $content_struct['mt_excerpt'];
		}

$post_more = $content_struct['mt_text_more'] ?? '';

$post_status = $publish ? 'publish' : 'draft';
		if ( isset( $content_struct[ "{$post_type}_status" ] ) ) {
			switch ( $content_struct[ "{$post_type}_status" ] ) {
				case 'draft':
				case 'pending':
				case 'private':
				case 'publish':
					$post_status = $content_struct[ "{$post_type}_status" ];
					break;
				default:
					$post_status = $publish ? 'publish' : 'draft';
					break;
			}
		}

$tags_input = $content_struct['mt_keywords'] ?? array();

if ( 'publish' === $post_status || 'private' === $post_status ) {
			if ( 'page' === $post_type && ! current_user_can( 'publish_pages' ) ) {
				return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish this page.' ) );
			} elseif ( ! current_user_can( 'publish_posts' ) ) {
				return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish this post.' ) );
			}
		}

if ( $post_more ) {
			$post_content = $post_content . '' . $post_more;
		}

// Default to not flagging the post date to be edited unless it's intentional.
		$edit_date = false;

if ( ! empty( $date_created ) ) {
			$post_date     = iso8601_to_datetime( $date_created );
			$post_date_gmt = iso8601_to_datetime( $date_created, 'gmt' );

// Flag the post date to be edited.
			$edit_date = true;
		} else {
			$post_date     = $postdata['post_date'];
			$post_date_gmt = $postdata['post_date_gmt'];
		}

$newpost = array(
			'ID' => $post_id,
		);

$newpost += compact(
			'post_content',
			'post_title',
			'post_category',
			'post_status',
			'post_excerpt',
			'comment_status',
			'ping_status',
			'edit_date',
			'post_date',
			'post_date_gmt',
			'to_ping',
			'post_name',
			'post_password',
			'post_parent',
			'menu_order',
			'post_author',
			'tags_input',
			'page_template'
		);

// We've got all the data -- post it.
		$result = wp_update_post( $newpost, true );
		if ( is_wp_error( $result ) ) {
			return new IXR_Error( 500, $result->get_error_message() );
		}

if ( ! $result ) {
			return new IXR_Error( 500, __( 'Sorry, the post could not be updated.' ) );
		}

// Only posts can be sticky.
		if ( 'post' === $post_type && isset( $content_struct['sticky'] ) ) {
			$data              = $newpost;
			$data['sticky']    = $content_struct['sticky'];
			$data['post_type'] = 'post';
			$error             = $this->_toggle_sticky( $data, true );
			if ( $error ) {
				return $error;
			}
		}

if ( isset( $content_struct['custom_fields'] ) ) {
			$this->set_custom_fields( $post_id, $content_struct['custom_fields'] );
		}

if ( isset( $content_struct['wp_post_thumbnail'] ) ) {

// Empty value deletes, non-empty value adds/updates.
			if ( empty( $content_struct['wp_post_thumbnail'] ) ) {
				delete_post_thumbnail( $post_id );
			} else {
				if ( set_post_thumbnail( $post_id, $content_struct['wp_post_thumbnail'] ) === false ) {
					return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
				}
			}
			unset( $content_struct['wp_post_thumbnail'] );
		}

// Handle enclosures.
		$enclosure = $content_struct['enclosure'] ?? null;
		$this->add_enclosure_if_new( $post_id, $enclosure );

$this->attach_uploads( $post_id, $post_content );

// Handle post formats if assigned, validation is handled earlier in this function.
		if ( isset( $content_struct['wp_post_format'] ) ) {
			set_post_format( $post_id, $content_struct['wp_post_format'] );
		}

/**
		 * Fires after a post has been successfully updated via the XML-RPC MovableType API.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $post_id ID of the updated post.
		 * @param array $args    An array of arguments to update the post.
		 */
		do_action( 'xmlrpc_call_success_mw_editPost', $post_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

return true;
	}

/**
	 * Retrieves a post.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Post ID.
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function mw_getPost( $args ) {
		$this->escape( $args );

$post_id  = (int) $args[0];
		$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

$postdata = get_post( $post_id, ARRAY_A );
		if ( ! $postdata ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'metaWeblog.getPost', $args, $this );

if ( '' !== $postdata['post_date'] ) {
			$post_date         = $this->_convert_date( $postdata['post_date'] );
			$post_date_gmt     = $this->_convert_date_gmt( $postdata['post_date_gmt'], $postdata['post_date'] );
			$post_modified     = $this->_convert_date( $postdata['post_modified'] );
			$post_modified_gmt = $this->_convert_date_gmt( $postdata['post_modified_gmt'], $postdata['post_modified'] );

$categories = array();
			$cat_ids    = wp_get_post_categories( $post_id );
			foreach ( $cat_ids as $cat_id ) {
				$categories[] = get_cat_name( $cat_id );
			}

$tagnames = array();
			$tags     = wp_get_post_tags( $post_id );
			if ( ! empty( $tags ) ) {
				foreach ( $tags as $tag ) {
					$tagnames[] = $tag->name;
				}
				$tagnames = implode( ', ', $tagnames );
			} else {
				$tagnames = '';
			}

$post = get_extended( $postdata['post_content'] );
			$link = get_permalink( $postdata['ID'] );

// Get the author info.
			$author = get_userdata( $postdata['post_author'] );

$allow_comments = ( 'open' === $postdata['comment_status'] ) ? 1 : 0;
			$allow_pings    = ( 'open' === $postdata['ping_status'] ) ? 1 : 0;

// Consider future posts as published.
			if ( 'future' === $postdata['post_status'] ) {
				$postdata['post_status'] = 'publish';
			}

// Get post format.
			$post_format = get_post_format( $post_id );
			if ( empty( $post_format ) ) {
				$post_format = 'standard';
			}

$sticky = false;
			if ( is_sticky( $post_id ) ) {
				$sticky = true;
			}

$enclosure = array();
			foreach ( (array) get_post_custom( $post_id ) as $key => $val ) {
				if ( 'enclosure' === $key ) {
					foreach ( (array) $val as $enc ) {
						$encdata             = explode( "\n", $enc );
						$enclosure['url']    = trim( htmlspecialchars( $encdata[0] ) );
						$enclosure['length'] = (int) trim( $encdata[1] );
						$enclosure['type']   = trim( $encdata[2] );
						break 2;
					}
				}
			}

$resp = array(
				'dateCreated'            => $post_date,
				'userid'                 => $postdata['post_author'],
				'postid'                 => $postdata['ID'],
				'description'            => $post['main'],
				'title'                  => $postdata['post_title'],
				'link'                   => $link,
				'permaLink'              => $link,
				// Commented out because no other tool seems to use this.
				// 'content' => $entry['post_content'],
				'categories'             => $categories,
				'mt_excerpt'             => $postdata['post_excerpt'],
				'mt_text_more'           => $post['extended'],
				'wp_more_text'           => $post['more_text'],
				'mt_allow_comments'      => $allow_comments,
				'mt_allow_pings'         => $allow_pings,
				'mt_keywords'            => $tagnames,
				'wp_slug'                => $postdata['post_name'],
				'wp_password'            => $postdata['post_password'],
				'wp_author_id'           => (string) $author->ID,
				'wp_author_display_name' => $author->display_name,
				'date_created_gmt'       => $post_date_gmt,
				'post_status'            => $postdata['post_status'],
				'custom_fields'          => $this->get_custom_fields( $post_id ),
				'wp_post_format'         => $post_format,
				'sticky'                 => $sticky,
				'date_modified'          => $post_modified,
				'date_modified_gmt'      => $post_modified_gmt,
			);

if ( ! empty( $enclosure ) ) {
				$resp['enclosure'] = $enclosure;
			}

$resp['wp_post_thumbnail'] = get_post_thumbnail_id( $postdata['ID'] );

return $resp;
		} else {
			return new IXR_Error( 404, __( 'Sorry, no such post.' ) );
		}
	}

/**
	 * Retrieves list of recent posts.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Optional. Number of posts.
	 * }
	 * @return array|IXR_Error
	 */
	public function mw_getRecentPosts( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		if ( isset( $args[3] ) ) {
			$query = array( 'numberposts' => absint( $args[3] ) );
		} else {
			$query = array();
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit posts.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'metaWeblog.getRecentPosts', $args, $this );

$posts_list = wp_get_recent_posts( $query );

if ( ! $posts_list ) {
			return array();
		}

$recent_posts = array();
		foreach ( $posts_list as $entry ) {
			if ( ! current_user_can( 'edit_post', $entry['ID'] ) ) {
				continue;
			}

$post_date         = $this->_convert_date( $entry['post_date'] );
			$post_date_gmt     = $this->_convert_date_gmt( $entry['post_date_gmt'], $entry['post_date'] );
			$post_modified     = $this->_convert_date( $entry['post_modified'] );
			$post_modified_gmt = $this->_convert_date_gmt( $entry['post_modified_gmt'], $entry['post_modified'] );

$categories = array();
			$cat_ids    = wp_get_post_categories( $entry['ID'] );
			foreach ( $cat_ids as $cat_id ) {
				$categories[] = get_cat_name( $cat_id );
			}

$tagnames = array();
			$tags     = wp_get_post_tags( $entry['ID'] );
			if ( ! empty( $tags ) ) {
				foreach ( $tags as $tag ) {
					$tagnames[] = $tag->name;
				}
				$tagnames = implode( ', ', $tagnames );
			} else {
				$tagnames = '';
			}

$post = get_extended( $entry['post_content'] );
			$link = get_permalink( $entry['ID'] );

// Get the post author info.
			$author = get_userdata( $entry['post_author'] );

$allow_comments = ( 'open' === $entry['comment_status'] ) ? 1 : 0;
			$allow_pings    = ( 'open' === $entry['ping_status'] ) ? 1 : 0;

// Consider future posts as published.
			if ( 'future' === $entry['post_status'] ) {
				$entry['post_status'] = 'publish';
			}

// Get post format.
			$post_format = get_post_format( $entry['ID'] );
			if ( empty( $post_format ) ) {
				$post_format = 'standard';
			}

$recent_posts[] = array(
				'dateCreated'            => $post_date,
				'userid'                 => $entry['post_author'],
				'postid'                 => (string) $entry['ID'],
				'description'            => $post['main'],
				'title'                  => $entry['post_title'],
				'link'                   => $link,
				'permaLink'              => $link,
				// Commented out because no other tool seems to use this.
				// 'content' => $entry['post_content'],
				'categories'             => $categories,
				'mt_excerpt'             => $entry['post_excerpt'],
				'mt_text_more'           => $post['extended'],
				'wp_more_text'           => $post['more_text'],
				'mt_allow_comments'      => $allow_comments,
				'mt_allow_pings'         => $allow_pings,
				'mt_keywords'            => $tagnames,
				'wp_slug'                => $entry['post_name'],
				'wp_password'            => $entry['post_password'],
				'wp_author_id'           => (string) $author->ID,
				'wp_author_display_name' => $author->display_name,
				'date_created_gmt'       => $post_date_gmt,
				'post_status'            => $entry['post_status'],
				'custom_fields'          => $this->get_custom_fields( $entry['ID'] ),
				'wp_post_format'         => $post_format,
				'date_modified'          => $post_modified,
				'date_modified_gmt'      => $post_modified_gmt,
				'sticky'                 => ( 'post' === $entry['post_type'] && is_sticky( $entry['ID'] ) ),
				'wp_post_thumbnail'      => get_post_thumbnail_id( $entry['ID'] ),
			);
		}

return $recent_posts;
	}

/**
	 * Retrieves the list of categories on a given blog.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function mw_getCategories( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'metaWeblog.getCategories', $args, $this );

$categories_struct = array();

$cats = get_categories( array( 'get' => 'all' ) );
		if ( $cats ) {
			foreach ( $cats as $cat ) {
				$struct                        = array();
				$struct['categoryId']          = $cat->term_id;
				$struct['parentId']            = $cat->parent;
				$struct['description']         = $cat->name;
				$struct['categoryDescription'] = $cat->description;
				$struct['categoryName']        = $cat->name;
				$struct['htmlUrl']             = esc_html( get_category_link( $cat->term_id ) );
				$struct['rssUrl']              = esc_html( get_category_feed_link( $cat->term_id, 'rss2' ) );

$categories_struct[] = $struct;
			}
		}

return $categories_struct;
	}

/**
	 * Uploads a file, following your settings.
	 *
	 * Adapted from a patch by Johann Richard.
	 *
	 * @link http://mycvs.org/archives/2004/06/30/file-upload-to-wordpress-in-ecto/
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Data.
	 * }
	 * @return array|IXR_Error
	 */
	public function mw_newMediaObject( $args ) {
		$username = $this->escape( $args[1] );
		$password = $this->escape( $args[2] );
		$data     = $args[3];

$name = sanitize_file_name( $data['name'] );
		$type = $data['type'];
		$bits = $data['bits'];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'metaWeblog.newMediaObject', $args, $this );

if ( ! current_user_can( 'upload_files' ) ) {
			$this->error = new IXR_Error( 401, __( 'Sorry, you are not allowed to upload files.' ) );
			return $this->error;
		}

if ( is_multisite() && upload_is_user_over_quota( false ) ) {
			$this->error = new IXR_Error(
				401,
				sprintf(
					/* translators: %s: Allowed space allocation. */
					__( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ),
					size_format( get_space_allowed() * MB_IN_BYTES )
				)
			);
			return $this->error;
		}

/**
		 * Filters whether to preempt the XML-RPC media upload.
		 *
		 * Returning a truthy value will effectively short-circuit the media upload,
		 * returning that value as a 500 error instead.
		 *
		 * @since 2.1.0
		 *
		 * @param bool $error Whether to pre-empt the media upload. Default false.
		 */
		$upload_err = apply_filters( 'pre_upload_error', false );
		if ( $upload_err ) {
			return new IXR_Error( 500, $upload_err );
		}

$upload = wp_upload_bits( $name, null, $bits );
		if ( ! empty( $upload['error'] ) ) {
			/* translators: 1: File name, 2: Error message. */
			$error_string = sprintf( __( 'Could not write file %1$s (%2$s).' ), $name, $upload['error'] );
			return new IXR_Error( 500, $error_string );
		}

// Construct the attachment array.
		$post_id = 0;
		if ( ! empty( $data['post_id'] ) ) {
			$post_id = (int) $data['post_id'];

if ( ! current_user_can( 'edit_post', $post_id ) ) {
				return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
			}
		}

$attachment = array(
			'post_title'     => $name,
			'post_content'   => '',
			'post_type'      => 'attachment',
			'post_parent'    => $post_id,
			'post_mime_type' => $type,
			'guid'           => $upload['url'],
		);

// Save the data.
		$attachment_id = wp_insert_attachment( $attachment, $upload['file'], $post_id );
		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $upload['file'] ) );

/**
		 * Fires after a new attachment has been added via the XML-RPC MovableType API.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $attachment_id ID of the new attachment.
		 * @param array $args          An array of arguments to add the attachment.
		 */
		do_action( 'xmlrpc_call_success_mw_newMediaObject', $attachment_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

$struct = $this->_prepare_media_item( get_post( $attachment_id ) );

// Deprecated values.
		$struct['id']   = $struct['attachment_id'];
		$struct['file'] = $struct['title'];
		$struct['url']  = $struct['link'];

return $struct;
	}

/*
	 * MovableType API functions.
	 * Specs archive on https://web.archive.org/web/20050220091302/http://www.movabletype.org/docs/mtmanual_programmatic.html
	 */

/**
	 * Retrieves the post titles of recent posts.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type int    $3 Optional. Number of posts.
	 * }
	 * @return array|IXR_Error
	 */
	public function mt_getRecentPostTitles( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];
		if ( isset( $args[3] ) ) {
			$query = array( 'numberposts' => absint( $args[3] ) );
		} else {
			$query = array();
		}

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'mt.getRecentPostTitles', $args, $this );

$posts_list = wp_get_recent_posts( $query );

if ( ! $posts_list ) {
			$this->error = new IXR_Error( 500, __( 'No posts found or an error occurred while retrieving posts.' ) );
			return $this->error;
		}

$recent_posts = array();

foreach ( $posts_list as $entry ) {
			if ( ! current_user_can( 'edit_post', $entry['ID'] ) ) {
				continue;
			}

$post_date     = $this->_convert_date( $entry['post_date'] );
			$post_date_gmt = $this->_convert_date_gmt( $entry['post_date_gmt'], $entry['post_date'] );

$recent_posts[] = array(
				'dateCreated'      => $post_date,
				'userid'           => $entry['post_author'],
				'postid'           => (string) $entry['ID'],
				'title'            => $entry['post_title'],
				'post_status'      => $entry['post_status'],
				'date_created_gmt' => $post_date_gmt,
			);
		}

return $recent_posts;
	}

/**
	 * Retrieves the list of all categories on a blog.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Blog ID (unused).
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function mt_getCategoryList( $args ) {
		$this->escape( $args );

$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! current_user_can( 'edit_posts' ) ) {
			return new IXR_Error( 401, __( 'Sorry, you must be able to edit posts on this site in order to view categories.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'mt.getCategoryList', $args, $this );

$categories_struct = array();

$cats = get_categories(
			array(
				'hide_empty'   => 0,
				'hierarchical' => 0,
			)
		);
		if ( $cats ) {
			foreach ( $cats as $cat ) {
				$struct                 = array();
				$struct['categoryId']   = $cat->term_id;
				$struct['categoryName'] = $cat->name;

$categories_struct[] = $struct;
			}
		}

return $categories_struct;
	}

/**
	 * Retrieves post categories.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Post ID.
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return array|IXR_Error
	 */
	public function mt_getPostCategories( $args ) {
		$this->escape( $args );

$post_id  = (int) $args[0];
		$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

if ( ! get_post( $post_id ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'mt.getPostCategories', $args, $this );

$categories = array();
		$cat_ids    = wp_get_post_categories( (int) $post_id );
		// First listed category will be the primary category.
		$is_primary = true;
		foreach ( $cat_ids as $cat_id ) {
			$categories[] = array(
				'categoryName' => get_cat_name( $cat_id ),
				'categoryId'   => (string) $cat_id,
				'isPrimary'    => $is_primary,
			);
			$is_primary   = false;
		}

return $categories;
	}

/**
	 * Sets categories for a post.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Post ID.
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 *     @type array  $3 Categories.
	 * }
	 * @return true|IXR_Error True on success.
	 */
	public function mt_setPostCategories( $args ) {
		$this->escape( $args );

$post_id    = (int) $args[0];
		$username   = $args[1];
		$password   = $args[2];
		$categories = $args[3];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'mt.setPostCategories', $args, $this );

if ( ! get_post( $post_id ) ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
		}

$cat_ids = array();
		foreach ( $categories as $cat ) {
			$cat_ids[] = $cat['categoryId'];
		}

wp_set_post_categories( $post_id, $cat_ids );

return true;
	}

/**
	 * Retrieves an array of methods supported by this server.
	 *
	 * @since 1.5.0
	 *
	 * @return array
	 */
	public function mt_supportedMethods() {
		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'mt.supportedMethods', array(), $this );

return array_keys( $this->methods );
	}

/**
	 * Retrieves an empty array because we don't support per-post text filters.
	 *
	 * @since 1.5.0
	 */
	public function mt_supportedTextFilters() {
		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'mt.supportedTextFilters', array(), $this );

/**
		 * Filters the MoveableType text filters list for XML-RPC.
		 *
		 * @since 2.2.0
		 *
		 * @param array $filters An array of text filters.
		 */
		return apply_filters( 'xmlrpc_text_filters', array() );
	}

/**
	 * Retrieves trackbacks sent to a given post.
	 *
	 * @since 1.5.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param int $post_id
	 * @return array|IXR_Error
	 */
	public function mt_getTrackbackPings( $post_id ) {
		global $wpdb;

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'mt.getTrackbackPings', $post_id, $this );

$actual_post = get_post( $post_id, ARRAY_A );

if ( ! $actual_post ) {
			return new IXR_Error( 404, __( 'Sorry, no such post.' ) );
		}

$comments = $wpdb->get_results( $wpdb->prepare( "SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ) );

if ( ! $comments ) {
			return array();
		}

$trackback_pings = array();
		foreach ( $comments as $comment ) {
			if ( 'trackback' === $comment->comment_type ) {
				$content           = $comment->comment_content;
				$title             = substr( $content, 8, ( strpos( $content, '</strong>' ) - 8 ) );
				$trackback_pings[] = array(
					'pingTitle' => $title,
					'pingURL'   => $comment->comment_author_url,
					'pingIP'    => $comment->comment_author_IP,
				);
			}
		}

return $trackback_pings;
	}

/**
	 * Sets a post's publish status to 'publish'.
	 *
	 * @since 1.5.0
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type int    $0 Post ID.
	 *     @type string $1 Username.
	 *     @type string $2 Password.
	 * }
	 * @return int|IXR_Error
	 */
	public function mt_publishPost( $args ) {
		$this->escape( $args );

$post_id  = (int) $args[0];
		$username = $args[1];
		$password = $args[2];

$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'mt.publishPost', $args, $this );

$postdata = get_post( $post_id, ARRAY_A );
		if ( ! $postdata ) {
			return new IXR_Error( 404, __( 'Invalid post ID.' ) );
		}

if ( ! current_user_can( 'publish_posts' ) || ! current_user_can( 'edit_post', $post_id ) ) {
			return new IXR_Error( 401, __( 'Sorry, you are not allowed to publish this post.' ) );
		}

$postdata['post_status'] = 'publish';

// Retain old categories.
		$postdata['post_category'] = wp_get_post_categories( $post_id );
		$this->escape( $postdata );

return wp_update_post( $postdata );
	}

/*
	 * Pingback functions.
	 * Specs on www.hixie.ch/specs/pingback/pingback
	 */

/**
	 * Retrieves a pingback and registers it.
	 *
	 * @since 1.5.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param array $args {
	 *     Method arguments. Note: arguments must be ordered as documented.
	 *
	 *     @type string $0 URL of page linked from.
	 *     @type string $1 URL of page linked to.
	 * }
	 * @return string|IXR_Error
	 */
	public function pingback_ping( $args ) {
		global $wpdb;

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'pingback.ping', $args, $this );

$this->escape( $args );

$pagelinkedfrom = str_replace( '&amp;', '&', $args[0] );
		$pagelinkedto   = str_replace( '&amp;', '&', $args[1] );
		$pagelinkedto   = str_replace( '&', '&amp;', $pagelinkedto );

/**
		 * Filters the pingback source URI.
		 *
		 * @since 3.6.0
		 *
		 * @param string $pagelinkedfrom URI of the page linked from.
		 * @param string $pagelinkedto   URI of the page linked to.
		 */
		$pagelinkedfrom = apply_filters( 'pingback_ping_source_uri', $pagelinkedfrom, $pagelinkedto );

if ( ! $pagelinkedfrom ) {
			return $this->pingback_error( 0, __( 'A valid URL was not provided.' ) );
		}

// Check if the page linked to is on our site.
		$pos1 = strpos( $pagelinkedto, str_replace( array( 'http://www.', 'http://', 'https://www.', 'https://' ), '', get_option( 'home' ) ) );
		if ( ! $pos1 ) {
			return $this->pingback_error( 0, __( 'Is there no link to us?' ) );
		}

/*
		 * Let's find which post is linked to.
		 * FIXME: Does url_to_postid() cover all these cases already?
		 * If so, then let's use it and drop the old code.
		 */
		$urltest = parse_url( $pagelinkedto );
		$post_id = url_to_postid( $pagelinkedto );

if ( $post_id ) {
			// $way
		} elseif ( isset( $urltest['path'] ) && preg_match( '#p/[0-9]{1,}#', $urltest['path'], $match ) ) {
			// The path defines the post_ID (archives/p/XXXX).
			$blah    = explode( '/', $match[0] );
			$post_id = (int) $blah[1];
		} elseif ( isset( $urltest['query'] ) && preg_match( '#p=[0-9]{1,}#', $urltest['query'], $match ) ) {
			// The query string defines the post_ID (?p=XXXX).
			$blah    = explode( '=', $match[0] );
			$post_id = (int) $blah[1];
		} elseif ( isset( $urltest['fragment'] ) ) {
			// An #anchor is there, it's either...
			if ( (int) $urltest['fragment'] ) {
				// ...an integer #XXXX (simplest case),
				$post_id = (int) $urltest['fragment'];
			} elseif ( preg_match( '/post-[0-9]+/', $urltest['fragment'] ) ) {
				// ...a post ID in the form 'post-###',
				$post_id = preg_replace( '/[^0-9]+/', '', $urltest['fragment'] );
			} elseif ( is_string( $urltest['fragment'] ) ) {
				// ...or a string #title, a little more complicated.
				$title   = preg_replace( '/[^a-z0-9]/i', '.', $urltest['fragment'] );
				$sql     = $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_title RLIKE %s", $title );
				$post_id = $wpdb->get_var( $sql );
				if ( ! $post_id ) {
					// Returning unknown error '0' is better than die()'ing.
					return $this->pingback_error( 0, '' );
				}
			}
		} else {
			// TODO: Attempt to extract a post ID from the given URL.
			return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either does not exist, or it is not a pingback-enabled resource.' ) );
		}

$post_id = (int) $post_id;
		$post    = get_post( $post_id );

if ( ! $post ) { // Post not found.
			return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either does not exist, or it is not a pingback-enabled resource.' ) );
		}

if ( url_to_postid( $pagelinkedfrom ) === $post_id ) {
			return $this->pingback_error( 0, __( 'The source URL and the target URL cannot both point to the same resource.' ) );
		}

// Check if pings are on.
		if ( ! pings_open( $post ) ) {
			return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either does not exist, or it is not a pingback-enabled resource.' ) );
		}

// Let's check that the remote site didn't already pingback this entry.
		if ( $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $post_id, $pagelinkedfrom ) ) ) {
			return $this->pingback_error( 48, __( 'The pingback has already been registered.' ) );
		}

/*
		 * The remote site may have sent the pingback before it finished publishing its own content
		 * containing this pingback URL. If that happens then it won't be immediately possible to fetch
		 * the pinging post; adding a small delay reduces the likelihood of this happening.
		 *
		 * While there are more robust methods than calling `sleep()` here (because `sleep()` merely
		 * mitigates the risk of requesting the remote post before it's available), this is effective
		 * enough for most cases and avoids introducing more complexity into this code.
		 *
		 * One way to improve the reliability of this code might be to add failure-handling to the remote
		 * fetch and retry up to a set number of times if it receives a 404. This could also handle 401 and
		 * 403 responses to differentiate the "does not exist" failure from the "may not access" failure.
		 */
		sleep( 1 );

$remote_ip = preg_replace( '/[^0-9a-fA-F:., ]/', '', $_SERVER['REMOTE_ADDR'] );

/** This filter is documented in wp-includes/class-wp-http.php */
		$user_agent = apply_filters( 'http_headers_useragent', 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ), $pagelinkedfrom );

// Let's check the remote site.
		$http_api_args = array(
			'timeout'             => 10,
			'redirection'         => 0,
			'limit_response_size' => 153600, // 150 KB
			'user-agent'          => "$user_agent; verifying pingback from $remote_ip",
			'headers'             => array(
				'X-Pingback-Forwarded-For' => $remote_ip,
			),
		);

$request                = wp_safe_remote_get( $pagelinkedfrom, $http_api_args );
		$remote_source          = wp_remote_retrieve_body( $request );
		$remote_source_original = $remote_source;

if ( ! $remote_source ) {
			return $this->pingback_error( 16, __( 'The source URL does not exist.' ) );
		}

/**
		 * Filters the pingback remote source.
		 *
		 * @since 2.5.0
		 *
		 * @param string $remote_source Response source for the page linked from.
		 * @param string $pagelinkedto  URL of the page linked to.
		 */
		$remote_source = apply_filters( 'pre_remote_source', $remote_source, $pagelinkedto );

// Work around bug in strip_tags():
		$remote_source = str_replace( '<!DOC', '<DOC', $remote_source );
		$remote_source = preg_replace( '/[\r\n\t ]+/', ' ', $remote_source ); // normalize spaces
		$remote_source = preg_replace( '/<\/*(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/', "\n\n", $remote_source );

preg_match( '|<title>([^<]*?)</title>|is', $remote_source, $matchtitle );
		$title = $matchtitle[1] ?? '';
		if ( empty( $title ) ) {
			return $this->pingback_error( 32, __( 'A title on that page cannot be found.' ) );
		}

// Remove all script and style tags including their content.
		$remote_source = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $remote_source );
		// Just keep the tag we need.
		$remote_source = strip_tags( $remote_source, '<a>' );

$p = explode( "\n\n", $remote_source );

$preg_target = preg_quote( $pagelinkedto, '|' );

foreach ( $p as $para ) {
			if ( str_contains( $para, $pagelinkedto ) ) { // It exists, but is it a link?
				preg_match( '|<a[^>]+?' . $preg_target . '[^>]*>([^>]+?)</a>|', $para, $context );

// If the URL isn't in a link context, keep looking.
				if ( empty( $context ) ) {
					continue;
				}

/*
				 * We're going to use this fake tag to mark the context in a bit.
				 * The marker is needed in case the link text appears more than once in the paragraph.
				 */
				$excerpt = preg_replace( '|\</?wpcontext\>|', '', $para );

// prevent really long link text
				if ( strlen( $context[1] ) > 100 ) {
					$context[1] = substr( $context[1], 0, 100 ) . '&#8230;';
				}

$marker      = '<wpcontext>' . $context[1] . '</wpcontext>';  // Set up our marker.
				$excerpt     = str_replace( $context[0], $marker, $excerpt ); // Swap out the link for our marker.
				$excerpt     = strip_tags( $excerpt, '<wpcontext>' );         // Strip all tags but our context marker.
				$excerpt     = trim( $excerpt );
				$preg_marker = preg_quote( $marker, '|' );
				$excerpt     = preg_replace( "|.*?\s(.{0,100}$preg_marker.{0,100})\s.*|s", '$1', $excerpt );
				$excerpt     = strip_tags( $excerpt ); // YES, again, to remove the marker wrapper.
				break;
			}
		}

if ( empty( $context ) ) { // Link to target not found.
			return $this->pingback_error( 17, __( 'The source URL does not contain a link to the target URL, and so cannot be used as a source.' ) );
		}

$pagelinkedfrom = str_replace( '&', '&amp;', $pagelinkedfrom );

$context        = '[&#8230;] ' . esc_html( $excerpt ) . ' [&#8230;]';
		$pagelinkedfrom = $this->escape( $pagelinkedfrom );

$comment_post_id      = (int) $post_id;
		$comment_author       = $title;
		$comment_author_email = '';
		$this->escape( $comment_author );
		$comment_author_url = $pagelinkedfrom;
		$comment_content    = $context;
		$this->escape( $comment_content );
		$comment_type = 'pingback';

$commentdata = array(
			'comment_post_ID' => $comment_post_id,
		);

$commentdata += compact(
			'comment_author',
			'comment_author_url',
			'comment_author_email',
			'comment_content',
			'comment_type',
			'remote_source',
			'remote_source_original'
		);

$comment_id = wp_new_comment( $commentdata );

if ( is_wp_error( $comment_id ) ) {
			return $this->pingback_error( 0, $comment_id->get_error_message() );
		}

/**
		 * Fires after a post pingback has been sent.
		 *
		 * @since 0.71
		 *
		 * @param int $comment_id Comment ID.
		 */
		do_action( 'pingback_post', $comment_id );

/* translators: 1: URL of the page linked from, 2: URL of the page linked to. */
		return sprintf( __( 'Pingback from %1$s to %2$s registered. Keep the web talking! :-)' ), $pagelinkedfrom, $pagelinkedto );
	}

/**
	 * Retrieves an array of URLs that pingbacked the given URL.
	 *
	 * Specs on http://www.aquarionics.com/misc/archives/blogite/0198.html
	 *
	 * @since 1.5.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param string $url
	 * @return array|IXR_Error
	 */
	public function pingback_extensions_getPingbacks( $url ) {
		global $wpdb;

/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'pingback.extensions.getPingbacks', $url, $this );

$url = $this->escape( $url );

$post_id = url_to_postid( $url );
		if ( ! $post_id ) {
			// We aren't sure that the resource is available and/or pingback enabled.
			return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either does not exist, or it is not a pingback-enabled resource.' ) );
		}

$actual_post = get_post( $post_id, ARRAY_A );

if ( ! $actual_post ) {
			// No such post = resource not found.
			return $this->pingback_error( 32, __( 'The specified target URL does not exist.' ) );
		}

$comments = $wpdb->get_results( $wpdb->prepare( "SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ) );

if ( ! $comments ) {
			return array();
		}

$pingbacks = array();
		foreach ( $comments as $comment ) {
			if ( 'pingback' === $comment->comment_type ) {
				$pingbacks[] = $comment->comment_author_url;
			}
		}

return $pingbacks;
	}

/**
	 * Sends a pingback error based on the given error code and message.
	 *
	 * @since 3.6.0
	 *
	 * @param int    $code    Error code.
	 * @param string $message Error message.
	 * @return IXR_Error Error object.
	 */
	protected function pingback_error( $code, $message ) {
		/**
		 * Filters the XML-RPC pingback error return.
		 *
		 * @since 3.5.1
		 *
		 * @param IXR_Error $error An IXR_Error object containing the error code and message.
		 */
		return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) );
	}
}

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