Summery Summery
Used internally to get a list of site IDs matching the query vars.
Syntax Syntax
Return Return
(int|array) A single count of site IDs if a count query. An array of site IDs if a full query.
Source Source
File: wp-includes/class-wp-site-query.php
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 $this 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 $this 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 intval( $wpdb->get_var( $this->request ) ); } $site_ids = $wpdb->get_col( $this->request ); return array_map( 'intval', $site_ids ); }
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Changelog Changelog
Version | Description |
---|---|
4.6.0 | Introduced. |