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<?php
/**
 * Site API: WP_Site_Query class
 *
 * @package WordPress
 * @subpackage Sites
 * @since 4.6.0
 */

/**
 * Core class used for querying sites.
 *
 * @since 4.6.0
 *
 * @see WP_Site_Query::__construct() for accepted arguments.
 */
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'
	 *                                                   - 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 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.
	 */
	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 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.
	 */
	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 array|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 argument as the queried result will be the same regardless.
		unset( $_args['fields'] );

$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, 'sites' );

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, 'sites' );
		} 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 = 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 ( '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, $this->query_vars['update_site_meta_cache'] );
		}

// 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' );
			$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[]      $pieces An associative array of site query clauses.
		 * @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;

$this->request = "{$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   $string  Search string.
	 * @param string[] $columns Array of columns to search.
	 * @return string Search SQL.
	 */
	protected function get_search_sql( $string, $columns ) {
		global $wpdb;

if ( false !== strpos( $string, '*' ) ) {
			$like = '%' . implode( '%', array_map( array( $wpdb, 'esc_like' ), explode( '*', $string ) ) ) . '%';
		} else {
			$like = '%' . $wpdb->esc_like( $string ) . '%';
		}

$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':
				$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';
		}
	}
}

Nama File / Folder	Size	Action
ID3	--	NONE
IXR	--	NONE
PHPMailer	--	NONE
Requests	--	NONE
SimplePie	--	NONE
Text	--	NONE
assets	--	NONE
block-patterns	--	NONE
block-supports	--	NONE
blocks	--	NONE
certificates	--	NONE
css	--	NONE
customize	--	NONE
fonts	--	NONE
images	--	NONE
js	--	NONE
php-compat	--	NONE
pomo	--	NONE
random_compat	--	NONE
rest-api	--	NONE
sitemaps	--	NONE
sodium_compat	--	NONE
theme-compat	--	NONE
widgets	--	NONE
admin-bar.php	32.69KB	Hapus Edit Rename
atomlib.php	11.668KB	Hapus Edit Rename
author-template.php	16.631KB	Hapus Edit Rename
block-editor.php	18.371KB	Hapus Edit Rename
block-i18n.json	0.309KB	Hapus Edit Rename
block-patterns.php	4.191KB	Hapus Edit Rename
block-template-utils.php	29.572KB	Hapus Edit Rename
block-template.php	10.521KB	Hapus Edit Rename
blocks.php	42.222KB	Hapus Edit Rename
bookmark-template.php	12.598KB	Hapus Edit Rename
bookmark.php	14.973KB	Hapus Edit Rename
cache-compat.php	1.021KB	Hapus Edit Rename
cache.php	9.29KB	Hapus Edit Rename
canonical.php	32.31KB	Hapus Edit Rename
capabilities.php	34.884KB	Hapus Edit Rename
category-template.php	54.396KB	Hapus Edit Rename
category.php	12.414KB	Hapus Edit Rename
class-IXR.php	2.483KB	Hapus Edit Rename
class-feed.php	0.517KB	Hapus Edit Rename
class-http.php	0.364KB	Hapus Edit Rename
class-json.php	42.423KB	Hapus Edit Rename
class-oembed.php	0.397KB	Hapus Edit Rename
class-phpass.php	6.542KB	Hapus Edit Rename
class-phpmailer.php	0.648KB	Hapus Edit Rename
class-pop3.php	20.349KB	Hapus Edit Rename
class-requests.php	29.718KB	Hapus Edit Rename
class-simplepie.php	95.781KB	Hapus Edit Rename
class-smtp.php	0.446KB	Hapus Edit Rename
class-snoopy.php	36.831KB	Hapus Edit Rename
class-walker-category-dropdown.php	2.412KB	Hapus Edit Rename
class-walker-category.php	8.27KB	Hapus Edit Rename
class-walker-comment.php	13.878KB	Hapus Edit Rename
class-walker-nav-menu.php	9.13KB	Hapus Edit Rename
class-walker-page-dropdown.php	2.646KB	Hapus Edit Rename
class-walker-page.php	7.421KB	Hapus Edit Rename
class-wp-admin-bar.php	17.052KB	Hapus Edit Rename
class-wp-ajax-response.php	5.117KB	Hapus Edit Rename
class-wp-application-passwords.php	11.948KB	Hapus Edit Rename
class-wp-block-editor-context.php	0.869KB	Hapus Edit Rename
class-wp-block-list.php	4.612KB	Hapus Edit Rename
class-wp-block-parser.php	14.861KB	Hapus Edit Rename
class-wp-block-pattern-categories-registry.php	4.431KB	Hapus Edit Rename
class-wp-block-patterns-registry.php	5.796KB	Hapus Edit Rename
class-wp-block-styles-registry.php	4.882KB	Hapus Edit Rename
class-wp-block-supports.php	5.172KB	Hapus Edit Rename
class-wp-block-template.php	1.773KB	Hapus Edit Rename
class-wp-block-type-registry.php	4.533KB	Hapus Edit Rename
class-wp-block-type.php	9.27KB	Hapus Edit Rename
class-wp-block.php	7.991KB	Hapus Edit Rename
class-wp-comment-query.php	46.334KB	Hapus Edit Rename
class-wp-comment.php	9.103KB	Hapus Edit Rename
class-wp-customize-control.php	25.108KB	Hapus Edit Rename
class-wp-customize-manager.php	196.558KB	Hapus Edit Rename
class-wp-customize-nav-menus.php	55.448KB	Hapus Edit Rename
class-wp-customize-panel.php	10.192KB	Hapus Edit Rename
class-wp-customize-section.php	10.716KB	Hapus Edit Rename
class-wp-customize-setting.php	29.082KB	Hapus Edit Rename
class-wp-customize-widgets.php	69.517KB	Hapus Edit Rename
class-wp-date-query.php	34.173KB	Hapus Edit Rename
class-wp-dependency.php	2.452KB	Hapus Edit Rename
class-wp-editor.php	69.537KB	Hapus Edit Rename
class-wp-embed.php	15.567KB	Hapus Edit Rename
class-wp-error.php	7.131KB	Hapus Edit Rename
class-wp-fatal-error-handler.php	7.397KB	Hapus Edit Rename
class-wp-feed-cache-transient.php	2.5KB	Hapus Edit Rename
class-wp-feed-cache.php	0.947KB	Hapus Edit Rename
class-wp-hook.php	15.323KB	Hapus Edit Rename
class-wp-http-cookie.php	7.213KB	Hapus Edit Rename
class-wp-http-curl.php	12.099KB	Hapus Edit Rename
class-wp-http-encoding.php	6.507KB	Hapus Edit Rename
class-wp-http-ixr-client.php	3.394KB	Hapus Edit Rename
class-wp-http-proxy.php	5.82KB	Hapus Edit Rename
class-wp-http-requests-hooks.php	1.938KB	Hapus Edit Rename
class-wp-http-requests-response.php	4.241KB	Hapus Edit Rename
class-wp-http-response.php	2.882KB	Hapus Edit Rename
class-wp-http-streams.php	16.259KB	Hapus Edit Rename
class-wp-http.php	38.974KB	Hapus Edit Rename
class-wp-image-editor-gd.php	15.295KB	Hapus Edit Rename
class-wp-image-editor-imagick.php	26.329KB	Hapus Edit Rename
class-wp-image-editor.php	16.262KB	Hapus Edit Rename
class-wp-list-util.php	6.825KB	Hapus Edit Rename
class-wp-locale-switcher.php	4.904KB	Hapus Edit Rename
class-wp-locale.php	13.654KB	Hapus Edit Rename
class-wp-matchesmapregex.php	1.758KB	Hapus Edit Rename
class-wp-meta-query.php	29.471KB	Hapus Edit Rename
class-wp-metadata-lazyloader.php	5.227KB	Hapus Edit Rename
class-wp-network-query.php	18.722KB	Hapus Edit Rename
class-wp-network.php	12.089KB	Hapus Edit Rename
class-wp-object-cache.php	13.233KB	Hapus Edit Rename
class-wp-oembed-controller.php	6.667KB	Hapus Edit Rename
class-wp-oembed.php	29.982KB	Hapus Edit Rename
class-wp-paused-extensions-storage.php	4.808KB	Hapus Edit Rename
class-wp-post-type.php	20.72KB	Hapus Edit Rename
class-wp-post.php	6.272KB	Hapus Edit Rename
class-wp-query.php	135.702KB	Hapus Edit Rename
class-wp-recovery-mode-cookie-service.php	6.308KB	Hapus Edit Rename
class-wp-recovery-mode-email-service.php	10.41KB	Hapus Edit Rename
class-wp-recovery-mode-key-service.php	4.17KB	Hapus Edit Rename
class-wp-recovery-mode-link-service.php	3.321KB	Hapus Edit Rename
class-wp-recovery-mode.php	11.111KB	Hapus Edit Rename
class-wp-rewrite.php	61.486KB	Hapus Edit Rename
class-wp-role.php	2.439KB	Hapus Edit Rename
class-wp-roles.php	8.236KB	Hapus Edit Rename
class-wp-session-tokens.php	7.251KB	Hapus Edit Rename
class-wp-simplepie-file.php	3.183KB	Hapus Edit Rename
class-wp-simplepie-sanitize-kses.php	1.733KB	Hapus Edit Rename
class-wp-site-query.php	29.648KB	Hapus Edit Rename
class-wp-site.php	7.254KB	Hapus Edit Rename
class-wp-tax-query.php	18.993KB	Hapus Edit Rename
class-wp-taxonomy.php	13.409KB	Hapus Edit Rename
class-wp-term-query.php	37.178KB	Hapus Edit Rename
class-wp-term.php	5.148KB	Hapus Edit Rename
class-wp-text-diff-renderer-inline.php	0.699KB	Hapus Edit Rename
class-wp-text-diff-renderer-table.php	16.401KB	Hapus Edit Rename
class-wp-theme-json-resolver.php	14.063KB	Hapus Edit Rename
class-wp-theme-json-schema.php	4.195KB	Hapus Edit Rename
class-wp-theme-json.php	61.309KB	Hapus Edit Rename
class-wp-theme.php	52.563KB	Hapus Edit Rename
class-wp-user-meta-session-tokens.php	2.92KB	Hapus Edit Rename
class-wp-user-query.php	37.177KB	Hapus Edit Rename
class-wp-user-request.php	2.145KB	Hapus Edit Rename
class-wp-user.php	21.702KB	Hapus Edit Rename
class-wp-walker.php	12.707KB	Hapus Edit Rename
class-wp-widget-factory.php	3.243KB	Hapus Edit Rename
class-wp-widget.php	17.723KB	Hapus Edit Rename
class-wp-xmlrpc-server.php	207.944KB	Hapus Edit Rename
class-wp.php	24.67KB	Hapus Edit Rename
class.wp-dependencies.php	13.68KB	Hapus Edit Rename
class.wp-scripts.php	18.5KB	Hapus Edit Rename
class.wp-styles.php	10.626KB	Hapus Edit Rename
comment-template.php	93.813KB	Hapus Edit Rename
comment.php	123.567KB	Hapus Edit Rename
compat.php	14.524KB	Hapus Edit Rename
cron.php	39.899KB	Hapus Edit Rename
date.php	0.396KB	Hapus Edit Rename
default-constants.php	10.017KB	Hapus Edit Rename
default-filters.php	30.728KB	Hapus Edit Rename
default-widgets.php	2.17KB	Hapus Edit Rename
deprecated.php	121.944KB	Hapus Edit Rename
embed-template.php	0.333KB	Hapus Edit Rename
embed.php	36.05KB	Hapus Edit Rename
error-protection.php	4.021KB	Hapus Edit Rename
feed-atom-comments.php	5.316KB	Hapus Edit Rename
feed-atom.php	2.977KB	Hapus Edit Rename
feed-rdf.php	2.605KB	Hapus Edit Rename
feed-rss.php	1.161KB	Hapus Edit Rename
feed-rss2-comments.php	3.975KB	Hapus Edit Rename
feed-rss2.php	3.71KB	Hapus Edit Rename
feed.php	22.428KB	Hapus Edit Rename
formatting.php	318.689KB	Hapus Edit Rename
functions.php	251.333KB	Hapus Edit Rename
functions.wp-scripts.php	13.121KB	Hapus Edit Rename
functions.wp-styles.php	8.37KB	Hapus Edit Rename
general-template.php	155.356KB	Hapus Edit Rename
global-styles-and-settings.php	6.21KB	Hapus Edit Rename
http.php	22.463KB	Hapus Edit Rename
https-detection.php	6.701KB	Hapus Edit Rename
https-migration.php	4.619KB	Hapus Edit Rename
kses.php	67.492KB	Hapus Edit Rename
l10n.php	57.655KB	Hapus Edit Rename
link-template.php	145.705KB	Hapus Edit Rename
load.php	49.001KB	Hapus Edit Rename
locale.php	0.158KB	Hapus Edit Rename
media-template.php	58.967KB	Hapus Edit Rename
media.php	180.748KB	Hapus Edit Rename
meta.php	61.213KB	Hapus Edit Rename
ms-blogs.php	24.584KB	Hapus Edit Rename
ms-default-constants.php	4.652KB	Hapus Edit Rename
ms-default-filters.php	6.35KB	Hapus Edit Rename
ms-deprecated.php	20.634KB	Hapus Edit Rename
ms-files.php	2.592KB	Hapus Edit Rename
ms-functions.php	91.922KB	Hapus Edit Rename
ms-load.php	19.322KB	Hapus Edit Rename
ms-network.php	3.575KB	Hapus Edit Rename
ms-settings.php	4.027KB	Hapus Edit Rename
ms-site.php	38.679KB	Hapus Edit Rename
nav-menu-template.php	22.75KB	Hapus Edit Rename
nav-menu.php	41.552KB	Hapus Edit Rename
option.php	75.102KB	Hapus Edit Rename
pluggable-deprecated.php	6.116KB	Hapus Edit Rename
pluggable.php	101.957KB	Hapus Edit Rename
plugin.php	33.414KB	Hapus Edit Rename
post-formats.php	6.913KB	Hapus Edit Rename
post-template.php	63.328KB	Hapus Edit Rename
post-thumbnail-template.php	10.633KB	Hapus Edit Rename
post.php	268.666KB	Hapus Edit Rename
query.php	34.944KB	Hapus Edit Rename
registration-functions.php	0.195KB	Hapus Edit Rename
registration.php	0.195KB	Hapus Edit Rename
rest-api.php	93.053KB	Hapus Edit Rename
revision.php	22.933KB	Hapus Edit Rename
rewrite.php	18.763KB	Hapus Edit Rename
robots-template.php	5.052KB	Hapus Edit Rename
rss-functions.php	0.249KB	Hapus Edit Rename
rss.php	22.439KB	Hapus Edit Rename
script-loader.php	110.872KB	Hapus Edit Rename
session.php	0.252KB	Hapus Edit Rename
shortcodes.php	20.93KB	Hapus Edit Rename
sitemaps.php	3.162KB	Hapus Edit Rename
spl-autoload-compat.php	0.431KB	Hapus Edit Rename
taxonomy.php	167.623KB	Hapus Edit Rename
template-canvas.php	0.578KB	Hapus Edit Rename
template-loader.php	2.941KB	Hapus Edit Rename
template.php	21.958KB	Hapus Edit Rename
theme-i18n.json	0.903KB	Hapus Edit Rename
theme-templates.php	5.404KB	Hapus Edit Rename
theme.json	5.602KB	Hapus Edit Rename
theme.php	124.052KB	Hapus Edit Rename
update.php	29.338KB	Hapus Edit Rename
user.php	157.788KB	Hapus Edit Rename
vars.php	5.68KB	Hapus Edit Rename
version.php	0.937KB	Hapus Edit Rename
widgets.php	67.579KB	Hapus Edit Rename
wlwmanifest.xml	1.021KB	Hapus Edit Rename
wp-db.php	106.221KB	Hapus Edit Rename
wp-diff.php	0.632KB	Hapus Edit Rename

wordpress – Só mais um site WordPress

wordpress

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Boas-vindas ao WordPress. Esse é o seu primeiro post. Edite-o ou exclua-o, e então comece a escrever!

fevereiro 25, 2026

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