class WP_Site_Query {}

Source

class WP_Site_Query {	/** * SQL for database query. * * @since 4.6.0 * @var string */	public $request;	/** * SQL query clauses. * * @since 4.6.0 * @var array */	protected $sql_clauses = array(	'select' => '',	'from' => '',	'where' => array(),	'groupby' => '',	'orderby' => '',	'limits' => '',	);	/** * Metadata query container. * * @since 5.1.0 * @var WP_Meta_Query */	public $meta_query = false;	/** * Metadata query clauses. * * @since 5.1.0 * @var array */	protected $meta_query_clauses;	/** * Date query container. * * @since 4.6.0 * @var WP_Date_Query A date query instance. */	public $date_query = false;	/** * Query vars set by the user. * * @since 4.6.0 * @var array */	public $query_vars;	/** * Default values for query vars. * * @since 4.6.0 * @var array */	public $query_var_defaults;	/** * List of sites located by the query. * * @since 4.6.0 * @var array */	public $sites;	/** * The amount of found sites for the current query. * * @since 4.6.0 * @var int */	public $found_sites = 0;	/** * The number of pages. * * @since 4.6.0 * @var int */	public $max_num_pages = 0;	/** * Sets up the site query, based on the query vars passed. * * @since 4.6.0 * @since 4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters. * @since 5.1.0 Introduced the 'update_site_meta_cache', 'meta_query', 'meta_key', * 'meta_compare_key', 'meta_value', 'meta_type', and 'meta_compare' parameters. * @since 5.3.0 Introduced the 'meta_type_key' parameter. * * @param string|array $query { * Optional. Array or query string of site query parameters. Default empty. * * @type int[] $site__in Array of site IDs to include. Default empty. * @type int[] $site__not_in Array of site IDs to exclude. Default empty. * @type bool $count Whether to return a site count (true) or array of site objects. * Default false. * @type array $date_query Date query clauses to limit sites by. See WP_Date_Query. * Default null. * @type string $fields Site fields to return. Accepts 'ids' (returns an array of site IDs) * or empty (returns an array of complete site objects). Default empty. * @type int $ID A site ID to only return that site. Default empty. * @type int $number Maximum number of sites to retrieve. Default 100. * @type int $offset Number of sites to offset the query. Used to build LIMIT clause. * Default 0. * @type bool $no_found_rows Whether to disable the `SQL_CALC_FOUND_ROWS` query. Default true. * @type string|array $orderby Site status or array of statuses. Accepts: * - 'id' * - 'domain' * - 'path' * - 'network_id' * - 'last_updated' * - 'registered' * - 'domain_length' * - 'path_length' * - 'site__in' * - 'network__in' * - 'deleted' * - 'mature' * - 'spam' * - 'archived' * - 'public' * - false, an empty array, or 'none' to disable `ORDER BY` clause. * Default 'id'. * @type string $order How to order retrieved sites. Accepts 'ASC', 'DESC'. Default 'ASC'. * @type int $network_id Limit results to those affiliated with a given network ID. If 0, * include all networks. Default 0. * @type int[] $network__in Array of network IDs to include affiliated sites for. Default empty. * @type int[] $network__not_in Array of network IDs to exclude affiliated sites for. Default empty. * @type string $domain Limit results to those affiliated with a given domain. Default empty. * @type string[] $domain__in Array of domains to include affiliated sites for. Default empty. * @type string[] $domain__not_in Array of domains to exclude affiliated sites for. Default empty. * @type string $path Limit results to those affiliated with a given path. Default empty. * @type string[] $path__in Array of paths to include affiliated sites for. Default empty. * @type string[] $path__not_in Array of paths to exclude affiliated sites for. Default empty. * @type int $public Limit results to public sites. Accepts 1 or 0. Default empty. * @type int $archived Limit results to archived sites. Accepts 1 or 0. Default empty. * @type int $mature Limit results to mature sites. Accepts 1 or 0. Default empty. * @type int $spam Limit results to spam sites. Accepts 1 or 0. Default empty. * @type int $deleted Limit results to deleted sites. Accepts 1 or 0. Default empty. * @type int $lang_id Limit results to a language ID. Default empty. * @type string[] $lang__in Array of language IDs to include affiliated sites for. Default empty. * @type string[] $lang__not_in Array of language IDs to exclude affiliated sites for. Default empty. * @type string $search Search term(s) to retrieve matching sites for. Default empty. * @type string[] $search_columns Array of column names to be searched. Accepts 'domain' and 'path'. * Default empty array. * @type bool $update_site_cache Whether to prime the cache for found sites. Default true. * @type bool $update_site_meta_cache Whether to prime the metadata cache for found sites. Default true. * @type string|string[] $meta_key Meta key or keys to filter by. * @type string|string[] $meta_value Meta value or values to filter by. * @type string $meta_compare MySQL operator used for comparing the meta value. * See WP_Meta_Query::__construct() for accepted values and default value. * @type string $meta_compare_key MySQL operator used for comparing the meta key. * See WP_Meta_Query::__construct() for accepted values and default value. * @type string $meta_type MySQL data type that the meta_value column will be CAST to for comparisons. * See WP_Meta_Query::__construct() for accepted values and default value. * @type string $meta_type_key MySQL data type that the meta_key column will be CAST to for comparisons. * See WP_Meta_Query::__construct() for accepted values and default value. * @type array $meta_query An associative array of WP_Meta_Query arguments. * See WP_Meta_Query::__construct() for accepted values. * } */	public function __construct( $query = '' ) {	$this->query_var_defaults = array(	'fields' => '',	'ID' => '',	'site__in' => '',	'site__not_in' => '',	'number' => 100,	'offset' => '',	'no_found_rows' => true,	'orderby' => 'id',	'order' => 'ASC',	'network_id' => 0,	'network__in' => '',	'network__not_in' => '',	'domain' => '',	'domain__in' => '',	'domain__not_in' => '',	'path' => '',	'path__in' => '',	'path__not_in' => '',	'public' => null,	'archived' => null,	'mature' => null,	'spam' => null,	'deleted' => null,	'lang_id' => null,	'lang__in' => '',	'lang__not_in' => '',	'search' => '',	'search_columns' => array(),	'count' => false,	'date_query' => null, // See WP_Date_Query.	'update_site_cache' => true,	'update_site_meta_cache' => true,	'meta_query' => '',	'meta_key' => '',	'meta_value' => '',	'meta_type' => '',	'meta_compare' => '',	);	if ( ! empty( $query ) ) {	$this->query( $query );	}	}	/** * Parses arguments passed to the site query with default query parameters. * * @since 4.6.0 * * @see WP_Site_Query::__construct() * * @param string|array $query Array or string of WP_Site_Query arguments. See WP_Site_Query::__construct(). */	public function parse_query( $query = '' ) {	if ( empty( $query ) ) {	$query = $this->query_vars;	}	$this->query_vars = wp_parse_args( $query, $this->query_var_defaults );	/** * Fires after the site query vars have been parsed. * * @since 4.6.0 * * @param WP_Site_Query $query The WP_Site_Query instance (passed by reference). */	do_action_ref_array( 'parse_site_query', array( &$this ) );	}	/** * Sets up the WordPress query for retrieving sites. * * @since 4.6.0 * * @param string|array $query Array or URL query string of parameters. * @return WP_Site[]|int[]|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. */	public function query( $query ) {	$this->query_vars = wp_parse_args( $query );	return $this->get_sites();	}	/** * Retrieves a list of sites matching the query vars. * * @since 4.6.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return WP_Site[]|int[]|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. */	public function get_sites() {	global $wpdb;	$this->parse_query();	// Parse meta query.	$this->meta_query = new WP_Meta_Query();	$this->meta_query->parse_query_vars( $this->query_vars );	/** * Fires before sites are retrieved. * * @since 4.6.0 * * @param WP_Site_Query $query Current instance of WP_Site_Query (passed by reference). */	do_action_ref_array( 'pre_get_sites', array( &$this ) );	// Reparse query vars, in case they were modified in a 'pre_get_sites' callback.	$this->meta_query->parse_query_vars( $this->query_vars );	if ( ! empty( $this->meta_query->queries ) ) {	$this->meta_query_clauses = $this->meta_query->get_sql( 'blog', $wpdb->blogs, 'blog_id', $this );	}	$site_data = null;	/** * Filters the site data before the get_sites query takes place. * * Return a non-null value to bypass WordPress' default site queries. * * The expected return type from this filter depends on the value passed * in the request query vars: * - When `$this->query_vars['count']` is set, the filter should return * the site count as an integer. * - When `'ids' === $this->query_vars['fields']`, the filter should return * an array of site IDs. * - Otherwise the filter should return an array of WP_Site objects. * * Note that if the filter returns an array of site data, it will be assigned * to the `sites` property of the current WP_Site_Query instance. * * Filtering functions that require pagination information are encouraged to set * the `found_sites` and `max_num_pages` properties of the WP_Site_Query object, * passed to the filter by reference. If WP_Site_Query does not perform a database * query, it will not have enough information to generate these values itself. * * @since 5.2.0 * @since 5.6.0 The returned array of site data is assigned to the `sites` property * of the current WP_Site_Query instance. * * @param WP_Site[]|int[]|int|null $site_data Return an array of site data to short-circuit WP's site query, * the site count as an integer if `$this->query_vars['count']` is set, * or null to run the normal queries. * @param WP_Site_Query $query The WP_Site_Query instance, passed by reference. */	$site_data = apply_filters_ref_array( 'sites_pre_query', array( $site_data, &$this ) );	if ( null !== $site_data ) {	if ( is_array( $site_data ) && ! $this->query_vars['count'] ) {	$this->sites = $site_data;	}	return $site_data;	}	// $args can include anything. Only use the args defined in the query_var_defaults to compute the key.	$_args = wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) );	// Ignore the $fields, $update_site_cache, $update_site_meta_cache argument as the queried result will be the same regardless.	unset( $_args['fields'], $_args['update_site_cache'], $_args['update_site_meta_cache'] );	$key = md5( serialize( $_args ) );	$last_changed = wp_cache_get_last_changed( 'sites' );	$cache_key = "get_sites:$key:$last_changed";	$cache_value = wp_cache_get( $cache_key, 'site-queries' );	if ( false === $cache_value ) {	$site_ids = $this->get_site_ids();	if ( $site_ids ) {	$this->set_found_sites();	}	$cache_value = array(	'site_ids' => $site_ids,	'found_sites' => $this->found_sites,	);	wp_cache_add( $cache_key, $cache_value, 'site-queries' );	} else {	$site_ids = $cache_value['site_ids'];	$this->found_sites = $cache_value['found_sites'];	}	if ( $this->found_sites && $this->query_vars['number'] ) {	$this->max_num_pages = (int) ceil( $this->found_sites / $this->query_vars['number'] );	}	// If querying for a count only, there's nothing more to do.	if ( $this->query_vars['count'] ) {	// $site_ids is actually a count in this case.	return (int) $site_ids;	}	$site_ids = array_map( 'intval', $site_ids );	if ( $this->query_vars['update_site_meta_cache'] ) {	wp_lazyload_site_meta( $site_ids );	}	if ( 'ids' === $this->query_vars['fields'] ) {	$this->sites = $site_ids;	return $this->sites;	}	// Prime site network caches.	if ( $this->query_vars['update_site_cache'] ) {	_prime_site_caches( $site_ids, false );	}	// Fetch full site objects from the primed cache.	$_sites = array();	foreach ( $site_ids as $site_id ) {	$_site = get_site( $site_id );	if ( $_site ) {	$_sites[] = $_site;	}	}	/** * Filters the site query results. * * @since 4.6.0 * * @param WP_Site[] $_sites An array of WP_Site objects. * @param WP_Site_Query $query Current instance of WP_Site_Query (passed by reference). */	$_sites = apply_filters_ref_array( 'the_sites', array( $_sites, &$this ) );	// Convert to WP_Site instances.	$this->sites = array_map( 'get_site', $_sites );	return $this->sites;	}	/** * Used internally to get a list of site IDs matching the query vars. * * @since 4.6.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return int|array A single count of site IDs if a count query. An array of site IDs if a full query. */	protected function get_site_ids() {	global $wpdb;	$order = $this->parse_order( $this->query_vars['order'] );	// Disable ORDER BY with 'none', an empty array, or boolean false.	if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) {	$orderby = '';	} elseif ( ! empty( $this->query_vars['orderby'] ) ) {	$ordersby = is_array( $this->query_vars['orderby'] ) ?	$this->query_vars['orderby'] :	preg_split( '/[,\s]/', $this->query_vars['orderby'] );	$orderby_array = array();	foreach ( $ordersby as $_key => $_value ) {	if ( ! $_value ) {	continue;	}	if ( is_int( $_key ) ) {	$_orderby = $_value;	$_order = $order;	} else {	$_orderby = $_key;	$_order = $_value;	}	$parsed = $this->parse_orderby( $_orderby );	if ( ! $parsed ) {	continue;	}	if ( 'site__in' === $_orderby || 'network__in' === $_orderby ) {	$orderby_array[] = $parsed;	continue;	}	$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );	}	$orderby = implode( ', ', $orderby_array );	} else {	$orderby = "{$wpdb->blogs}.blog_id $order";	}	$number = absint( $this->query_vars['number'] );	$offset = absint( $this->query_vars['offset'] );	$limits = '';	if ( ! empty( $number ) ) {	if ( $offset ) {	$limits = 'LIMIT ' . $offset . ',' . $number;	} else {	$limits = 'LIMIT ' . $number;	}	}	if ( $this->query_vars['count'] ) {	$fields = 'COUNT(*)';	} else {	$fields = "{$wpdb->blogs}.blog_id";	}	// Parse site IDs for an IN clause.	$site_id = absint( $this->query_vars['ID'] );	if ( ! empty( $site_id ) ) {	$this->sql_clauses['where']['ID'] = $wpdb->prepare( "{$wpdb->blogs}.blog_id = %d", $site_id );	}	// Parse site IDs for an IN clause.	if ( ! empty( $this->query_vars['site__in'] ) ) {	$this->sql_clauses['where']['site__in'] = "{$wpdb->blogs}.blog_id IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['site__in'] ) ) . ' )';	}	// Parse site IDs for a NOT IN clause.	if ( ! empty( $this->query_vars['site__not_in'] ) ) {	$this->sql_clauses['where']['site__not_in'] = "{$wpdb->blogs}.blog_id NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['site__not_in'] ) ) . ' )';	}	$network_id = absint( $this->query_vars['network_id'] );	if ( ! empty( $network_id ) ) {	$this->sql_clauses['where']['network_id'] = $wpdb->prepare( 'site_id = %d', $network_id );	}	// Parse site network IDs for an IN clause.	if ( ! empty( $this->query_vars['network__in'] ) ) {	$this->sql_clauses['where']['network__in'] = 'site_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['network__in'] ) ) . ' )';	}	// Parse site network IDs for a NOT IN clause.	if ( ! empty( $this->query_vars['network__not_in'] ) ) {	$this->sql_clauses['where']['network__not_in'] = 'site_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['network__not_in'] ) ) . ' )';	}	if ( ! empty( $this->query_vars['domain'] ) ) {	$this->sql_clauses['where']['domain'] = $wpdb->prepare( 'domain = %s', $this->query_vars['domain'] );	}	// Parse site domain for an IN clause.	if ( is_array( $this->query_vars['domain__in'] ) ) {	$this->sql_clauses['where']['domain__in'] = "domain IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__in'] ) ) . "' )";	}	// Parse site domain for a NOT IN clause.	if ( is_array( $this->query_vars['domain__not_in'] ) ) {	$this->sql_clauses['where']['domain__not_in'] = "domain NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__not_in'] ) ) . "' )";	}	if ( ! empty( $this->query_vars['path'] ) ) {	$this->sql_clauses['where']['path'] = $wpdb->prepare( 'path = %s', $this->query_vars['path'] );	}	// Parse site path for an IN clause.	if ( is_array( $this->query_vars['path__in'] ) ) {	$this->sql_clauses['where']['path__in'] = "path IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__in'] ) ) . "' )";	}	// Parse site path for a NOT IN clause.	if ( is_array( $this->query_vars['path__not_in'] ) ) {	$this->sql_clauses['where']['path__not_in'] = "path NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__not_in'] ) ) . "' )";	}	if ( is_numeric( $this->query_vars['archived'] ) ) {	$archived = absint( $this->query_vars['archived'] );	$this->sql_clauses['where']['archived'] = $wpdb->prepare( 'archived = %s ', absint( $archived ) );	}	if ( is_numeric( $this->query_vars['mature'] ) ) {	$mature = absint( $this->query_vars['mature'] );	$this->sql_clauses['where']['mature'] = $wpdb->prepare( 'mature = %d ', $mature );	}	if ( is_numeric( $this->query_vars['spam'] ) ) {	$spam = absint( $this->query_vars['spam'] );	$this->sql_clauses['where']['spam'] = $wpdb->prepare( 'spam = %d ', $spam );	}	if ( is_numeric( $this->query_vars['deleted'] ) ) {	$deleted = absint( $this->query_vars['deleted'] );	$this->sql_clauses['where']['deleted'] = $wpdb->prepare( 'deleted = %d ', $deleted );	}	if ( is_numeric( $this->query_vars['public'] ) ) {	$public = absint( $this->query_vars['public'] );	$this->sql_clauses['where']['public'] = $wpdb->prepare( 'public = %d ', $public );	}	if ( is_numeric( $this->query_vars['lang_id'] ) ) {	$lang_id = absint( $this->query_vars['lang_id'] );	$this->sql_clauses['where']['lang_id'] = $wpdb->prepare( 'lang_id = %d ', $lang_id );	}	// Parse site language IDs for an IN clause.	if ( ! empty( $this->query_vars['lang__in'] ) ) {	$this->sql_clauses['where']['lang__in'] = 'lang_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['lang__in'] ) ) . ' )';	}	// Parse site language IDs for a NOT IN clause.	if ( ! empty( $this->query_vars['lang__not_in'] ) ) {	$this->sql_clauses['where']['lang__not_in'] = 'lang_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['lang__not_in'] ) ) . ' )';	}	// Falsey search strings are ignored.	if ( strlen( $this->query_vars['search'] ) ) {	$search_columns = array();	if ( $this->query_vars['search_columns'] ) {	$search_columns = array_intersect( $this->query_vars['search_columns'], array( 'domain', 'path' ) );	}	if ( ! $search_columns ) {	$search_columns = array( 'domain', 'path' );	}	/** * Filters the columns to search in a WP_Site_Query search. * * The default columns include 'domain' and 'path. * * @since 4.6.0 * * @param string[] $search_columns Array of column names to be searched. * @param string $search Text being searched. * @param WP_Site_Query $query The current WP_Site_Query instance. */	$search_columns = apply_filters( 'site_search_columns', $search_columns, $this->query_vars['search'], $this );	$this->sql_clauses['where']['search'] = $this->get_search_sql( $this->query_vars['search'], $search_columns );	}	$date_query = $this->query_vars['date_query'];	if ( ! empty( $date_query ) && is_array( $date_query ) ) {	$this->date_query = new WP_Date_Query( $date_query, 'registered' );	// Strip leading 'AND'.	$this->sql_clauses['where']['date_query'] = preg_replace( '/^\s*AND\s*/', '', $this->date_query->get_sql() );	}	$join = '';	$groupby = '';	if ( ! empty( $this->meta_query_clauses ) ) {	$join .= $this->meta_query_clauses['join'];	// Strip leading 'AND'.	$this->sql_clauses['where']['meta_query'] = preg_replace( '/^\s*AND\s*/', '', $this->meta_query_clauses['where'] );	if ( ! $this->query_vars['count'] ) {	$groupby = "{$wpdb->blogs}.blog_id";	}	}	$where = implode( ' AND ', $this->sql_clauses['where'] );	$pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );	/** * Filters the site query clauses. * * @since 4.6.0 * * @param string[] $clauses { * Associative array of the clauses for the query. * * @type string $fields The SELECT clause of the query. * @type string $join The JOIN clause of the query. * @type string $where The WHERE clause of the query. * @type string $orderby The ORDER BY clause of the query. * @type string $limits The LIMIT clause of the query. * @type string $groupby The GROUP BY clause of the query. * } * @param WP_Site_Query $query Current instance of WP_Site_Query (passed by reference). */	$clauses = apply_filters_ref_array( 'sites_clauses', array( compact( $pieces ), &$this ) );	$fields = isset( $clauses['fields'] ) ? $clauses['fields'] : '';	$join = isset( $clauses['join'] ) ? $clauses['join'] : '';	$where = isset( $clauses['where'] ) ? $clauses['where'] : '';	$orderby = isset( $clauses['orderby'] ) ? $clauses['orderby'] : '';	$limits = isset( $clauses['limits'] ) ? $clauses['limits'] : '';	$groupby = isset( $clauses['groupby'] ) ? $clauses['groupby'] : '';	if ( $where ) {	$where = 'WHERE ' . $where;	}	if ( $groupby ) {	$groupby = 'GROUP BY ' . $groupby;	}	if ( $orderby ) {	$orderby = "ORDER BY $orderby";	}	$found_rows = '';	if ( ! $this->query_vars['no_found_rows'] ) {	$found_rows = 'SQL_CALC_FOUND_ROWS';	}	$this->sql_clauses['select'] = "SELECT $found_rows $fields";	$this->sql_clauses['from'] = "FROM $wpdb->blogs $join";	$this->sql_clauses['groupby'] = $groupby;	$this->sql_clauses['orderby'] = $orderby;	$this->sql_clauses['limits'] = $limits;	// Beginning of the string is on a new line to prevent leading whitespace. See https://core.trac.wordpress.org/ticket/56841.	$this->request =	"{$this->sql_clauses['select']} {$this->sql_clauses['from']} {$where} {$this->sql_clauses['groupby']} {$this->sql_clauses['orderby']} {$this->sql_clauses['limits']}";	if ( $this->query_vars['count'] ) {	return (int) $wpdb->get_var( $this->request );	}	$site_ids = $wpdb->get_col( $this->request );	return array_map( 'intval', $site_ids );	}	/** * Populates found_sites and max_num_pages properties for the current query * if the limit clause was used. * * @since 4.6.0 * * @global wpdb $wpdb WordPress database abstraction object. */	private function set_found_sites() {	global $wpdb;	if ( $this->query_vars['number'] && ! $this->query_vars['no_found_rows'] ) {	/** * Filters the query used to retrieve found site count. * * @since 4.6.0 * * @param string $found_sites_query SQL query. Default 'SELECT FOUND_ROWS()'. * @param WP_Site_Query $site_query The `WP_Site_Query` instance. */	$found_sites_query = apply_filters( 'found_sites_query', 'SELECT FOUND_ROWS()', $this );	$this->found_sites = (int) $wpdb->get_var( $found_sites_query );	}	}	/** * Used internally to generate an SQL string for searching across multiple columns. * * @since 4.6.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $search Search string. * @param string[] $columns Array of columns to search. * @return string Search SQL. */	protected function get_search_sql( $search, $columns ) {	global $wpdb;	if ( str_contains( $search, '*' ) ) {	$like = '%' . implode( '%', array_map( array( $wpdb, 'esc_like' ), explode( '*', $search ) ) ) . '%';	} else {	$like = '%' . $wpdb->esc_like( $search ) . '%';	}	$searches = array();	foreach ( $columns as $column ) {	$searches[] = $wpdb->prepare( "$column LIKE %s", $like );	}	return '(' . implode( ' OR ', $searches ) . ')';	}	/** * Parses and sanitizes 'orderby' keys passed to the site query. * * @since 4.6.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $orderby Alias for the field to order by. * @return string|false Value to used in the ORDER clause. False otherwise. */	protected function parse_orderby( $orderby ) {	global $wpdb;	$parsed = false;	switch ( $orderby ) {	case 'site__in':	$site__in = implode( ',', array_map( 'absint', $this->query_vars['site__in'] ) );	$parsed = "FIELD( {$wpdb->blogs}.blog_id, $site__in )";	break;	case 'network__in':	$network__in = implode( ',', array_map( 'absint', $this->query_vars['network__in'] ) );	$parsed = "FIELD( {$wpdb->blogs}.site_id, $network__in )";	break;	case 'domain':	case 'last_updated':	case 'path':	case 'registered':	case 'deleted':	case 'spam':	case 'mature':	case 'archived':	case 'public':	$parsed = $orderby;	break;	case 'network_id':	$parsed = 'site_id';	break;	case 'domain_length':	$parsed = 'CHAR_LENGTH(domain)';	break;	case 'path_length':	$parsed = 'CHAR_LENGTH(path)';	break;	case 'id':	$parsed = "{$wpdb->blogs}.blog_id";	break;	}	if ( ! empty( $parsed ) || empty( $this->meta_query_clauses ) ) {	return $parsed;	}	$meta_clauses = $this->meta_query->get_clauses();	if ( empty( $meta_clauses ) ) {	return $parsed;	}	$primary_meta_query = reset( $meta_clauses );	if ( ! empty( $primary_meta_query['key'] ) && $primary_meta_query['key'] === $orderby ) {	$orderby = 'meta_value';	}	switch ( $orderby ) {	case 'meta_value':	if ( ! empty( $primary_meta_query['type'] ) ) {	$parsed = "CAST({$primary_meta_query['alias']}.meta_value AS {$primary_meta_query['cast']})";	} else {	$parsed = "{$primary_meta_query['alias']}.meta_value";	}	break;	case 'meta_value_num':	$parsed = "{$primary_meta_query['alias']}.meta_value+0";	break;	default:	if ( isset( $meta_clauses[ $orderby ] ) ) {	$meta_clause = $meta_clauses[ $orderby ];	$parsed = "CAST({$meta_clause['alias']}.meta_value AS {$meta_clause['cast']})";	}	}	return $parsed;	}	/** * Parses an 'order' query variable and cast it to 'ASC' or 'DESC' as necessary. * * @since 4.6.0 * * @param string $order The 'order' query variable. * @return string The sanitized 'order' query variable. */	protected function parse_order( $order ) {	if ( ! is_string( $order ) || empty( $order ) ) {	return 'ASC';	}	if ( 'ASC' === strtoupper( $order ) ) {	return 'ASC';	} else {	return 'DESC';	}	} } 

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