<?php /** * Site API * * @package WordPress * @subpackage Multisite * @since 5.1.0 */ /** * Inserts a new site into the database. * * @since 5.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $data { * Data for the new site that should be inserted. * * @type string $domain Site domain. Default empty string. * @type string $path Site path. Default '/'. * @type int $network_id The site's network ID. Default is the current network ID. * @type string $registered When the site was registered, in SQL datetime format. Default is * the current time. * @type string $last_updated When the site was last updated, in SQL datetime format. Default is * the value of $registered. * @type int $public Whether the site is public. Default 1. * @type int $archived Whether the site is archived. Default 0. * @type int $mature Whether the site is mature. Default 0. * @type int $spam Whether the site is spam. Default 0. * @type int $deleted Whether the site is deleted. Default 0. * @type int $lang_id The site's language ID. Currently unused. Default 0. * @type int $user_id User ID for the site administrator. Passed to the * `wp_initialize_site` hook. * @type string $title Site title. Default is 'Site %d' where %d is the site ID. Passed * to the `wp_initialize_site` hook. * @type array $options Custom option $key => $value pairs to use. Default empty array. Passed * to the `wp_initialize_site` hook. * @type array $meta Custom site metadata $key => $value pairs to use. Default empty array. * Passed to the `wp_initialize_site` hook. * } * @return int|WP_Error The new site's ID on success, or error object on failure. */ function wp_insert_site( array $data ) { global $wpdb; $now = current_time( 'mysql', true ); $defaults = array( 'domain' => '', 'path' => '/', 'network_id' => get_current_network_id(), 'registered' => $now, 'last_updated' => $now, 'public' => 1, 'archived' => 0, 'mature' => 0, 'spam' => 0, 'deleted' => 0, 'lang_id' => 0, ); $prepared_data = wp_prepare_site_data( $data, $defaults ); if ( is_wp_error( $prepared_data ) ) { return $prepared_data; } if ( false === $wpdb->insert( $wpdb->blogs, $prepared_data ) ) { return new WP_Error( 'db_insert_error', __( 'Could not insert site into the database.' ), $wpdb->last_error ); } $site_id = (int) $wpdb->insert_id; clean_blog_cache( $site_id ); $new_site = get_site( $site_id ); if ( ! $new_site ) { return new WP_Error( 'get_site_error', __( 'Could not retrieve site data.' ) ); } /** * Fires once a site has been inserted into the database. * * @since 5.1.0 * * @param WP_Site $new_site New site object. */ do_action( 'wp_insert_site', $new_site ); // Extract the passed arguments that may be relevant for site initialization. $args = array_diff_key( $data, $defaults ); if ( isset( $args['site_id'] ) ) { unset( $args['site_id'] ); } /** * Fires when a site's initialization routine should be executed. * * @since 5.1.0 * * @param WP_Site $new_site New site object. * @param array $args Arguments for the initialization. */ do_action( 'wp_initialize_site', $new_site, $args ); // Only compute extra hook parameters if the deprecated hook is actually in use. if ( has_action( 'wpmu_new_blog' ) ) { $user_id = ! empty( $args['user_id'] ) ? $args['user_id'] : 0; $meta = ! empty( $args['options'] ) ? $args['options'] : array(); // WPLANG was passed with `$meta` to the `wpmu_new_blog` hook prior to 5.1.0. if ( ! array_key_exists( 'WPLANG', $meta ) ) { $meta['WPLANG'] = get_network_option( $new_site->network_id, 'WPLANG' ); } // Rebuild the data expected by the `wpmu_new_blog` hook prior to 5.1.0 using allowed keys. // The `$allowed_data_fields` matches the one used in `wpmu_create_blog()`. $allowed_data_fields = array( 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ); $meta = array_merge( array_intersect_key( $data, array_flip( $allowed_data_fields ) ), $meta ); /** * Fires immediately after a new site is created. * * @since MU (3.0.0) * @deprecated 5.1.0 Use {@see 'wp_insert_site'} instead. * * @param int $site_id Site ID. * @param int $user_id User ID. * @param string $domain Site domain. * @param string $path Site path. * @param int $network_id Network ID. Only relevant on multi-network installations. * @param array $meta Meta data. Used to set initial site options. */ do_action_deprecated( 'wpmu_new_blog', array( $new_site->id, $user_id, $new_site->domain, $new_site->path, $new_site->network_id, $meta ), '5.1.0', 'wp_insert_site' ); } return (int) $new_site->id; } /** * Updates a site in the database. * * @since 5.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $site_id ID of the site that should be updated. * @param array $data Site data to update. See {@see wp_insert_site()} for the list of supported keys. * @return int|WP_Error The updated site's ID on success, or error object on failure. */ function wp_update_site( $site_id, array $data ) { global $wpdb; if ( empty( $site_id ) ) { return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) ); } $old_site = get_site( $site_id ); if ( ! $old_site ) { return new WP_Error( 'site_not_exist', __( 'Site does not exist.' ) ); } $defaults = $old_site->to_array(); $defaults['network_id'] = (int) $defaults['site_id']; $defaults['last_updated'] = current_time( 'mysql', true ); unset( $defaults['blog_id'], $defaults['site_id'] ); $data = wp_prepare_site_data( $data, $defaults, $old_site ); if ( is_wp_error( $data ) ) { return $data; } if ( false === $wpdb->update( $wpdb->blogs, $data, array( 'blog_id' => $old_site->id ) ) ) { return new WP_Error( 'db_update_error', __( 'Could not update site in the database.' ), $wpdb->last_error ); } clean_blog_cache( $old_site ); $new_site = get_site( $old_site->id ); /** * Fires once a site has been updated in the database. * * @since 5.1.0 * * @param WP_Site $new_site New site object. * @param WP_Site $old_site Old site object. */ do_action( 'wp_update_site', $new_site, $old_site ); return (int) $new_site->id; } /** * Deletes a site from the database. * * @since 5.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $site_id ID of the site that should be deleted. * @return WP_Site|WP_Error The deleted site object on success, or error object on failure. */ function wp_delete_site( $site_id ) { global $wpdb; if ( empty( $site_id ) ) { return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) ); } $old_site = get_site( $site_id ); if ( ! $old_site ) { return new WP_Error( 'site_not_exist', __( 'Site does not exist.' ) ); } $errors = new WP_Error(); /** * Fires before a site should be deleted from the database. * * Plugins should amend the `$errors` object via its `WP_Error::add()` method. If any errors * are present, the site will not be deleted. * * @since 5.1.0 * * @param WP_Error $errors Error object to add validation errors to. * @param WP_Site $old_site The site object to be deleted. */ do_action( 'wp_validate_site_deletion', $errors, $old_site ); if ( ! empty( $errors->errors ) ) { return $errors; } /** * Fires before a site is deleted. * * @since MU (3.0.0) * @deprecated 5.1.0 * * @param int $site_id The site ID. * @param bool $drop True if site's table should be dropped. Default false. */ do_action_deprecated( 'delete_blog', array( $old_site->id, true ), '5.1.0' ); /** * Fires when a site's uninitialization routine should be executed. * * @since 5.1.0 * * @param WP_Site $old_site Deleted site object. */ do_action( 'wp_uninitialize_site', $old_site ); if ( is_site_meta_supported() ) { $blog_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->blogmeta WHERE blog_id = %d ", $old_site->id ) ); foreach ( $blog_meta_ids as $mid ) { delete_metadata_by_mid( 'blog', $mid ); } } if ( false === $wpdb->delete( $wpdb->blogs, array( 'blog_id' => $old_site->id ) ) ) { return new WP_Error( 'db_delete_error', __( 'Could not delete site from the database.' ), $wpdb->last_error ); } clean_blog_cache( $old_site ); /** * Fires once a site has been deleted from the database. * * @since 5.1.0 * * @param WP_Site $old_site Deleted site object. */ do_action( 'wp_delete_site', $old_site ); /** * Fires after the site is deleted from the network. * * @since 4.8.0 * @deprecated 5.1.0 * * @param int $site_id The site ID. * @param bool $drop True if site's tables should be dropped. Default false. */ do_action_deprecated( 'deleted_blog', array( $old_site->id, true ), '5.1.0' ); return $old_site; } /** * Retrieves site data given a site ID or site object. * * Site data will be cached and returned after being passed through a filter. * If the provided site is empty, the current site global will be used. * * @since 4.6.0 * * @param WP_Site|int|null $site Optional. Site to retrieve. Default is the current site. * @return WP_Site|null The site object or null if not found. */ function get_site( $site = null ) { if ( empty( $site ) ) { $site = get_current_blog_id(); } if ( $site instanceof WP_Site ) { $_site = $site; } elseif ( is_object( $site ) ) { $_site = new WP_Site( $site ); } else { $_site = WP_Site::get_instance( $site ); } if ( ! $_site ) { return null; } /** * Fires after a site is retrieved. * * @since 4.6.0 * * @param WP_Site $_site Site data. */ $_site = apply_filters( 'get_site', $_site ); return $_site; } /** * Adds any sites from the given IDs to the cache that do not already exist in cache. * * @since 4.6.0 * @since 5.1.0 Introduced the `$update_meta_cache` parameter. * @access private * * @see update_site_cache() * @global wpdb $wpdb WordPress database abstraction object. * * @param array $ids ID list. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function _prime_site_caches( $ids, $update_meta_cache = true ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $ids, 'sites' ); if ( ! empty( $non_cached_ids ) ) { $fresh_sites = $wpdb->get_results( sprintf( "SELECT * FROM $wpdb->blogs WHERE blog_id IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared update_site_cache( $fresh_sites, $update_meta_cache ); } } /** * Updates sites in cache. * * @since 4.6.0 * @since 5.1.0 Introduced the `$update_meta_cache` parameter. * * @param array $sites Array of site objects. * @param bool $update_meta_cache Whether to update site meta cache. Default true. */ function update_site_cache( $sites, $update_meta_cache = true ) { if ( ! $sites ) { return; } $site_ids = array(); foreach ( $sites as $site ) { $site_ids[] = $site->blog_id; wp_cache_add( $site->blog_id, $site, 'sites' ); wp_cache_add( $site->blog_id . 'short', $site, 'blog-details' ); } if ( $update_meta_cache ) { update_sitemeta_cache( $site_ids ); } } /** * Updates metadata cache for list of site IDs. * * Performs SQL query to retrieve all metadata for the sites matching `$site_ids` and stores them in the cache. * Subsequent calls to `get_site_meta()` will not need to query the database. * * @since 5.1.0 * * @param array $site_ids List of site IDs. * @return array|false An array of metadata on success, false if there is nothing to update. */ function update_sitemeta_cache( $site_ids ) { // Ensure this filter is hooked in even if the function is called early. if ( ! has_filter( 'update_blog_metadata_cache', 'wp_check_site_meta_support_prefilter' ) ) { add_filter( 'update_blog_metadata_cache', 'wp_check_site_meta_support_prefilter' ); } return update_meta_cache( 'blog', $site_ids ); } /** * Retrieves a list of sites matching requested arguments. * * @since 4.6.0 * @since 4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters. * * @see WP_Site_Query::parse_query() * * @param string|array $args Optional. Array or string of arguments. See WP_Site_Query::__construct() * for information on accepted arguments. Default empty array. * @return array|int List of WP_Site objects, a list of site IDs when 'fields' is set to 'ids', * or the number of sites when 'count' is passed as a query var. */ function get_sites( $args = array() ) { $query = new WP_Site_Query(); return $query->query( $args ); } /** * Prepares site data for insertion or update in the database. * * @since 5.1.0 * * @param array $data Associative array of site data passed to the respective function. * See {@see wp_insert_site()} for the possibly included data. * @param array $defaults Site data defaults to parse $data against. * @param WP_Site|null $old_site Optional. Old site object if an update, or null if an insertion. * Default null. * @return array|WP_Error Site data ready for a database transaction, or WP_Error in case a validation * error occurred. */ function wp_prepare_site_data( $data, $defaults, $old_site = null ) { // Maintain backward-compatibility with `$site_id` as network ID. if ( isset( $data['site_id'] ) ) { if ( ! empty( $data['site_id'] ) && empty( $data['network_id'] ) ) { $data['network_id'] = $data['site_id']; } unset( $data['site_id'] ); } /** * Filters passed site data in order to normalize it. * * @since 5.1.0 * * @param array $data Associative array of site data passed to the respective function. * See {@see wp_insert_site()} for the possibly included data. */ $data = apply_filters( 'wp_normalize_site_data', $data ); $allowed_data_fields = array( 'domain', 'path', 'network_id', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ); $data = array_intersect_key( wp_parse_args( $data, $defaults ), array_flip( $allowed_data_fields ) ); $errors = new WP_Error(); /** * Fires when data should be validated for a site prior to inserting or updating in the database. * * Plugins should amend the `$errors` object via its `WP_Error::add()` method. * * @since 5.1.0 * * @param WP_Error $errors Error object to add validation errors to. * @param array $data Associative array of complete site data. See {@see wp_insert_site()} * for the included data. * @param WP_Site|null $old_site The old site object if the data belongs to a site being updated, * or null if it is a new site being inserted. */ do_action( 'wp_validate_site_data', $errors, $data, $old_site ); if ( ! empty( $errors->errors ) ) { return $errors; } // Prepare for database. $data['site_id'] = $data['network_id']; unset( $data['network_id'] ); return $data; } /** * Normalizes data for a site prior to inserting or updating in the database. * * @since 5.1.0 * * @param array $data Associative array of site data passed to the respective function. * See {@see wp_insert_site()} for the possibly included data. * @return array Normalized site data. */ function wp_normalize_site_data( $data ) { // Sanitize domain if passed. if ( array_key_exists( 'domain', $data ) ) { $data['domain'] = trim( $data['domain'] ); $data['domain'] = preg_replace( '/\s+/', '', sanitize_user( $data['domain'], true ) ); if ( is_subdomain_install() ) { $data['domain'] = str_replace( '@', '', $data['domain'] ); } } // Sanitize path if passed. if ( array_key_exists( 'path', $data ) ) { $data['path'] = trailingslashit( '/' . trim( $data['path'], '/' ) ); } // Sanitize network ID if passed. if ( array_key_exists( 'network_id', $data ) ) { $data['network_id'] = (int) $data['network_id']; } // Sanitize status fields if passed. $status_fields = array( 'public', 'archived', 'mature', 'spam', 'deleted' ); foreach ( $status_fields as $status_field ) { if ( array_key_exists( $status_field, $data ) ) { $data[ $status_field ] = (int) $data[ $status_field ]; } } // Strip date fields if empty. $date_fields = array( 'registered', 'last_updated' ); foreach ( $date_fields as $date_field ) { if ( ! array_key_exists( $date_field, $data ) ) { continue; } if ( empty( $data[ $date_field ] ) || '0000-00-00 00:00:00' === $data[ $date_field ] ) { unset( $data[ $date_field ] ); } } return $data; } /** * Validates data for a site prior to inserting or updating in the database. * * @since 5.1.0 * * @param WP_Error $errors Error object, passed by reference. Will contain validation errors if * any occurred. * @param array $data Associative array of complete site data. See {@see wp_insert_site()} * for the included data. * @param WP_Site|null $old_site The old site object if the data belongs to a site being updated, * or null if it is a new site being inserted. */ function wp_validate_site_data( $errors, $data, $old_site = null ) { // A domain must always be present. if ( empty( $data['domain'] ) ) { $errors->add( 'site_empty_domain', __( 'Site domain must not be empty.' ) ); } // A path must always be present. if ( empty( $data['path'] ) ) { $errors->add( 'site_empty_path', __( 'Site path must not be empty.' ) ); } // A network ID must always be present. if ( empty( $data['network_id'] ) ) { $errors->add( 'site_empty_network_id', __( 'Site network ID must be provided.' ) ); } // Both registration and last updated dates must always be present and valid. $date_fields = array( 'registered', 'last_updated' ); foreach ( $date_fields as $date_field ) { if ( empty( $data[ $date_field ] ) ) { $errors->add( 'site_empty_' . $date_field, __( 'Both registration and last updated dates must be provided.' ) ); break; } // Allow '0000-00-00 00:00:00', although it be stripped out at this point. if ( '0000-00-00 00:00:00' !== $data[ $date_field ] ) { $month = substr( $data[ $date_field ], 5, 2 ); $day = substr( $data[ $date_field ], 8, 2 ); $year = substr( $data[ $date_field ], 0, 4 ); $valid_date = wp_checkdate( $month, $day, $year, $data[ $date_field ] ); if ( ! $valid_date ) { $errors->add( 'site_invalid_' . $date_field, __( 'Both registration and last updated dates must be valid dates.' ) ); break; } } } if ( ! empty( $errors->errors ) ) { return; } // If a new site, or domain/path/network ID have changed, ensure uniqueness. if ( ! $old_site || $data['domain'] !== $old_site->domain || $data['path'] !== $old_site->path || $data['network_id'] !== $old_site->network_id ) { if ( domain_exists( $data['domain'], $data['path'], $data['network_id'] ) ) { $errors->add( 'site_taken', __( 'Sorry, that site already exists!' ) ); } } } /** * Runs the initialization routine for a given site. * * This process includes creating the site's database tables and * populating them with defaults. * * @since 5.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * @global WP_Roles $wp_roles WordPress role management object. * * @param int|WP_Site $site_id Site ID or object. * @param array $args { * Optional. Arguments to modify the initialization behavior. * * @type int $user_id Required. User ID for the site administrator. * @type string $title Site title. Default is 'Site %d' where %d is the * site ID. * @type array $options Custom option $key => $value pairs to use. Default * empty array. * @type array $meta Custom site metadata $key => $value pairs to use. * Default empty array. * } * @return true|WP_Error True on success, or error object on failure. */ function wp_initialize_site( $site_id, array $args = array() ) { global $wpdb, $wp_roles; if ( empty( $site_id ) ) { return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) ); } $site = get_site( $site_id ); if ( ! $site ) { return new WP_Error( 'site_invalid_id', __( 'Site with the ID does not exist.' ) ); } if ( wp_is_site_initialized( $site ) ) { return new WP_Error( 'site_already_initialized', __( 'The site appears to be already initialized.' ) ); } $network = get_network( $site->network_id ); if ( ! $network ) { $network = get_network(); } $args = wp_parse_args( $args, array( 'user_id' => 0, /* translators: %d: Site ID. */ 'title' => sprintf( __( 'Site %d' ), $site->id ), 'options' => array(), 'meta' => array(), ) ); /** * Filters the arguments for initializing a site. * * @since 5.1.0 * * @param array $args Arguments to modify the initialization behavior. * @param WP_Site $site Site that is being initialized. * @param WP_Network $network Network that the site belongs to. */ $args = apply_filters( 'wp_initialize_site_args', $args, $site, $network ); $orig_installing = wp_installing(); if ( ! $orig_installing ) { wp_installing( true ); } $switch = false; if ( get_current_blog_id() !== $site->id ) { $switch = true; switch_to_blog( $site->id ); } require_once ABSPATH . 'wp-admin/includes/upgrade.php'; // Set up the database tables. make_db_current_silent( 'blog' ); $home_scheme = 'http'; $siteurl_scheme = 'http'; if ( ! is_subdomain_install() ) { if ( 'https' === parse_url( get_home_url( $network->site_id ), PHP_URL_SCHEME ) ) { $home_scheme = 'https'; } if ( 'https' === parse_url( get_network_option( $network->id, 'siteurl' ), PHP_URL_SCHEME ) ) { $siteurl_scheme = 'https'; } } // Populate the site's options. populate_options( array_merge( array( 'home' => untrailingslashit( $home_scheme . '://' . $site->domain . $site->path ), 'siteurl' => untrailingslashit( $siteurl_scheme . '://' . $site->domain . $site->path ), 'blogname' => wp_unslash( $args['title'] ), 'admin_email' => '', 'upload_path' => get_network_option( $network->id, 'ms_files_rewriting' ) ? UPLOADBLOGSDIR . "/{$site->id}/files" : get_blog_option( $network->site_id, 'upload_path' ), 'blog_public' => (int) $site->public, 'WPLANG' => get_network_option( $network->id, 'WPLANG' ), ), $args['options'] ) ); // Clean blog cache after populating options. clean_blog_cache( $site ); // Populate the site's roles. populate_roles(); $wp_roles = new WP_Roles(); // Populate metadata for the site. populate_site_meta( $site->id, $args['meta'] ); // Remove all permissions that may exist for the site. $table_prefix = $wpdb->get_blog_prefix(); delete_metadata( 'user', 0, $table_prefix . 'user_level', null, true ); // Delete all. delete_metadata( 'user', 0, $table_prefix . 'capabilities', null, true ); // Delete all. // Install default site content. wp_install_defaults( $args['user_id'] ); // Set the site administrator. add_user_to_blog( $site->id, $args['user_id'], 'administrator' ); if ( ! user_can( $args['user_id'], 'manage_network' ) && ! get_user_meta( $args['user_id'], 'primary_blog', true ) ) { update_user_meta( $args['user_id'], 'primary_blog', $site->id ); } if ( $switch ) { restore_current_blog(); } wp_installing( $orig_installing ); return true; } /** * Runs the uninitialization routine for a given site. * * This process includes dropping the site's database tables and deleting its uploads directory. * * @since 5.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Site $site_id Site ID or object. * @return true|WP_Error True on success, or error object on failure. */ function wp_uninitialize_site( $site_id ) { global $wpdb; if ( empty( $site_id ) ) { return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) ); } $site = get_site( $site_id ); if ( ! $site ) { return new WP_Error( 'site_invalid_id', __( 'Site with the ID does not exist.' ) ); } if ( ! wp_is_site_initialized( $site ) ) { return new WP_Error( 'site_already_uninitialized', __( 'The site appears to be already uninitialized.' ) ); } $users = get_users( array( 'blog_id' => $site->id, 'fields' => 'ids', ) ); // Remove users from the site. if ( ! empty( $users ) ) { foreach ( $users as $user_id ) { remove_user_from_blog( $user_id, $site->id ); } } $switch = false; if ( get_current_blog_id() !== $site->id ) { $switch = true; switch_to_blog( $site->id ); } $uploads = wp_get_upload_dir(); $tables = $wpdb->tables( 'blog' ); /** * Filters the tables to drop when the site is deleted. * * @since MU (3.0.0) * * @param string[] $tables Array of names of the site tables to be dropped. * @param int $site_id The ID of the site to drop tables for. */ $drop_tables = apply_filters( 'wpmu_drop_tables', $tables, $site->id ); foreach ( (array) $drop_tables as $table ) { $wpdb->query( "DROP TABLE IF EXISTS `$table`" ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared } /** * Filters the upload base directory to delete when the site is deleted. * * @since MU (3.0.0) * * @param string $basedir Uploads path without subdirectory. @see wp_upload_dir() * @param int $site_id The site ID. */ $dir = apply_filters( 'wpmu_delete_blog_upload_dir', $uploads['basedir'], $site->id ); $dir = rtrim( $dir, DIRECTORY_SEPARATOR ); $top_dir = $dir; $stack = array( $dir ); $index = 0; while ( $index < count( $stack ) ) { // Get indexed directory from stack. $dir = $stack[ $index ]; // phpcs:disable WordPress.PHP.NoSilencedErrors.Discouraged $dh = @opendir( $dir ); if ( $dh ) { $file = @readdir( $dh ); while ( false !== $file ) { if ( '.' === $file || '..' === $file ) { $file = @readdir( $dh ); continue; } if ( @is_dir( $dir . DIRECTORY_SEPARATOR . $file ) ) { $stack[] = $dir . DIRECTORY_SEPARATOR . $file; } elseif ( @is_file( $dir . DIRECTORY_SEPARATOR . $file ) ) { @unlink( $dir . DIRECTORY_SEPARATOR . $file ); } $file = @readdir( $dh ); } @closedir( $dh ); } $index++; } $stack = array_reverse( $stack ); // Last added directories are deepest. foreach ( (array) $stack as $dir ) { if ( $dir != $top_dir ) { @rmdir( $dir ); } } // phpcs:enable WordPress.PHP.NoSilencedErrors.Discouraged if ( $switch ) { restore_current_blog(); } return true; } /** * Checks whether a site is initialized. * * A site is considered initialized when its database tables are present. * * @since 5.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Site $site_id Site ID or object. * @return bool True if the site is initialized, false otherwise. */ function wp_is_site_initialized( $site_id ) { global $wpdb; if ( is_object( $site_id ) ) { $site_id = $site_id->blog_id; } $site_id = (int) $site_id; /** * Filters the check for whether a site is initialized before the database is accessed. * * Returning a non-null value will effectively short-circuit the function, returning * that value instead. * * @since 5.1.0 * * @param bool|null $pre The value to return instead. Default null * to continue with the check. * @param int $site_id The site ID that is being checked. */ $pre = apply_filters( 'pre_wp_is_site_initialized', null, $site_id ); if ( null !== $pre ) { return (bool) $pre; } $switch = false; if ( get_current_blog_id() !== $site_id ) { $switch = true; remove_action( 'switch_blog', 'wp_switch_roles_and_user', 1 ); switch_to_blog( $site_id ); } $suppress = $wpdb->suppress_errors(); $result = (bool) $wpdb->get_results( "DESCRIBE {$wpdb->posts}" ); $wpdb->suppress_errors( $suppress ); if ( $switch ) { restore_current_blog(); add_action( 'switch_blog', 'wp_switch_roles_and_user', 1, 2 ); } return $result; } /** * Clean the blog cache * * @since 3.5.0 * * @global bool $_wp_suspend_cache_invalidation * * @param WP_Site|int $blog The site object or ID to be cleared from cache. */ function clean_blog_cache( $blog ) { global $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; } if ( empty( $blog ) ) { return; } $blog_id = $blog; $blog = get_site( $blog_id ); if ( ! $blog ) { if ( ! is_numeric( $blog_id ) ) { return; } // Make sure a WP_Site object exists even when the site has been deleted. $blog = new WP_Site( (object) array( 'blog_id' => $blog_id, 'domain' => null, 'path' => null, ) ); } $blog_id = $blog->blog_id; $domain_path_key = md5( $blog->domain . $blog->path ); wp_cache_delete( $blog_id, 'sites' ); wp_cache_delete( $blog_id, 'site-details' ); wp_cache_delete( $blog_id, 'blog-details' ); wp_cache_delete( $blog_id . 'short', 'blog-details' ); wp_cache_delete( $domain_path_key, 'blog-lookup' ); wp_cache_delete( $domain_path_key, 'blog-id-cache' ); wp_cache_delete( $blog_id, 'blog_meta' ); /** * Fires immediately after a site has been removed from the object cache. * * @since 4.6.0 * * @param int $id Blog ID. * @param WP_Site $blog Site object. * @param string $domain_path_key md5 hash of domain and path. */ do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key ); wp_cache_set( 'last_changed', microtime(), 'sites' ); /** * Fires after the blog details cache is cleared. * * @since 3.4.0 * @deprecated 4.9.0 Use {@see 'clean_site_cache'} instead. * * @param int $blog_id Blog ID. */ do_action_deprecated( 'refresh_blog_details', array( $blog_id ), '4.9.0', 'clean_site_cache' ); } /** * Adds metadata to a site. * * @since 5.1.0 * * @param int $site_id Site ID. * @param string $meta_key Metadata name. * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. * @param bool $unique Optional. Whether the same key should not be added. * Default false. * @return int|false Meta ID on success, false on failure. */ function add_site_meta( $site_id, $meta_key, $meta_value, $unique = false ) { return add_metadata( 'blog', $site_id, $meta_key, $meta_value, $unique ); } /** * Removes metadata matching criteria from a site. * * You can match based on the key, or key and value. Removing based on key and * value, will keep from removing duplicate metadata with the same key. It also * allows removing all metadata matching key, if needed. * * @since 5.1.0 * * @param int $site_id Site ID. * @param string $meta_key Metadata name. * @param mixed $meta_value Optional. Metadata value. If provided, * rows will only be removed that match the value. * Must be serializable if non-scalar. Default empty. * @return bool True on success, false on failure. */ function delete_site_meta( $site_id, $meta_key, $meta_value = '' ) { return delete_metadata( 'blog', $site_id, $meta_key, $meta_value ); } /** * Retrieves metadata for a site. * * @since 5.1.0 * * @param int $site_id Site ID. * @param string $key Optional. The meta key to retrieve. By default, * returns data for all keys. Default empty. * @param bool $single Optional. Whether to return a single value. * This parameter has no effect if `$key` is not specified. * Default false. * @return mixed An array of values if `$single` is false. * The value of meta data field if `$single` is true. * False for an invalid `$site_id` (non-numeric, zero, or negative value). * An empty string if a valid but non-existing site ID is passed. */ function get_site_meta( $site_id, $key = '', $single = false ) { return get_metadata( 'blog', $site_id, $key, $single ); } /** * Updates metadata for a site. * * Use the $prev_value parameter to differentiate between meta fields with the * same key and site ID. * * If the meta field for the site does not exist, it will be added. * * @since 5.1.0 * * @param int $site_id Site ID. * @param string $meta_key Metadata key. * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. * @param mixed $prev_value Optional. Previous value to check before updating. * If specified, only update existing metadata entries with * this value. Otherwise, update all entries. Default empty. * @return int|bool Meta ID if the key didn't exist, true on successful update, * false on failure or if the value passed to the function * is the same as the one that is already in the database. */ function update_site_meta( $site_id, $meta_key, $meta_value, $prev_value = '' ) { return update_metadata( 'blog', $site_id, $meta_key, $meta_value, $prev_value ); } /** * Deletes everything from site meta matching meta key. * * @since 5.1.0 * * @param string $meta_key Metadata key to search for when deleting. * @return bool Whether the site meta key was deleted from the database. */ function delete_site_meta_by_key( $meta_key ) { return delete_metadata( 'blog', null, $meta_key, '', true ); } /** * Updates the count of sites for a network based on a changed site. * * @since 5.1.0 * * @param WP_Site $new_site The site object that has been inserted, updated or deleted. * @param WP_Site|null $old_site Optional. If $new_site has been updated, this must be the previous * state of that site. Default null. */ function wp_maybe_update_network_site_counts_on_update( $new_site, $old_site = null ) { if ( null === $old_site ) { wp_maybe_update_network_site_counts( $new_site->network_id ); return; } if ( $new_site->network_id != $old_site->network_id ) { wp_maybe_update_network_site_counts( $new_site->network_id ); wp_maybe_update_network_site_counts( $old_site->network_id ); } } /** * Triggers actions on site status updates. * * @since 5.1.0 * * @param WP_Site $new_site The site object after the update. * @param WP_Site|null $old_site Optional. If $new_site has been updated, this must be the previous * state of that site. Default null. */ function wp_maybe_transition_site_statuses_on_update( $new_site, $old_site = null ) { $site_id = $new_site->id; // Use the default values for a site if no previous state is given. if ( ! $old_site ) { $old_site = new WP_Site( new stdClass() ); } if ( $new_site->spam != $old_site->spam ) { if ( 1 == $new_site->spam ) { /** * Fires when the 'spam' status is added to a site. * * @since MU (3.0.0) * * @param int $site_id Site ID. */ do_action( 'make_spam_blog', $site_id ); } else { /** * Fires when the 'spam' status is removed from a site. * * @since MU (3.0.0) * * @param int $site_id Site ID. */ do_action( 'make_ham_blog', $site_id ); } } if ( $new_site->mature != $old_site->mature ) { if ( 1 == $new_site->mature ) { /** * Fires when the 'mature' status is added to a site. * * @since 3.1.0 * * @param int $site_id Site ID. */ do_action( 'mature_blog', $site_id ); } else { /** * Fires when the 'mature' status is removed from a site. * * @since 3.1.0 * * @param int $site_id Site ID. */ do_action( 'unmature_blog', $site_id ); } } if ( $new_site->archived != $old_site->archived ) { if ( 1 == $new_site->archived ) { /** * Fires when the 'archived' status is added to a site. * * @since MU (3.0.0) * * @param int $site_id Site ID. */ do_action( 'archive_blog', $site_id ); } else { /** * Fires when the 'archived' status is removed from a site. * * @since MU (3.0.0) * * @param int $site_id Site ID. */ do_action( 'unarchive_blog', $site_id ); } } if ( $new_site->deleted != $old_site->deleted ) { if ( 1 == $new_site->deleted ) { /** * Fires when the 'deleted' status is added to a site. * * @since 3.5.0 * * @param int $site_id Site ID. */ do_action( 'make_delete_blog', $site_id ); } else { /** * Fires when the 'deleted' status is removed from a site. * * @since 3.5.0 * * @param int $site_id Site ID. */ do_action( 'make_undelete_blog', $site_id ); } } if ( $new_site->public != $old_site->public ) { /** * Fires after the current blog's 'public' setting is updated. * * @since MU (3.0.0) * * @param int $site_id Site ID. * @param string $value The value of the site status. */ do_action( 'update_blog_public', $site_id, $new_site->public ); } } /** * Cleans the necessary caches after specific site data has been updated. * * @since 5.1.0 * * @param WP_Site $new_site The site object after the update. * @param WP_Site $old_site The site obejct prior to the update. */ function wp_maybe_clean_new_site_cache_on_update( $new_site, $old_site ) { if ( $old_site->domain !== $new_site->domain || $old_site->path !== $new_site->path ) { clean_blog_cache( $new_site ); } } /** * Updates the `blog_public` option for a given site ID. * * @since 5.1.0 * * @param int $site_id Site ID. * @param string $public The value of the site status. */ function wp_update_blog_public_option_on_site_update( $site_id, $public ) { // Bail if the site's database tables do not exist (yet). if ( ! wp_is_site_initialized( $site_id ) ) { return; } update_blog_option( $site_id, 'blog_public', $public ); } /** * Sets the last changed time for the 'sites' cache group. * * @since 5.1.0 */ function wp_cache_set_sites_last_changed() { wp_cache_set( 'last_changed', microtime(), 'sites' ); } /** * Aborts calls to site meta if it is not supported. * * @since 5.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param mixed $check Skip-value for whether to proceed site meta function execution. * @return mixed Original value of $check, or false if site meta is not supported. */ function wp_check_site_meta_support_prefilter( $check ) { if ( ! is_site_meta_supported() ) { /* translators: %s: Database table name. */ _doing_it_wrong( __FUNCTION__, sprintf( __( 'The %s table is not installed. Please run the network database upgrade.' ), $GLOBALS['wpdb']->blogmeta ), '5.1.0' ); return false; } return $check; }