WP_Network_Query::get_network_ids()
Used internally to get a list of network IDs matching the query vars.
Return
(int|array) A single count of network IDs if a count query. An array of network IDs if a full query.
Source
File: wp-includes/class-wp-network-query.php
protected function get_network_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 ( 'network__in' === $_orderby ) {
$orderby_array[] = $parsed;
continue;
}
$orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
}
$orderby = implode( ', ', $orderby_array );
} else {
$orderby = "$wpdb->site.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->site.id";
}
// Parse network IDs for an IN clause.
if ( ! empty( $this->query_vars['network__in'] ) ) {
$this->sql_clauses['where']['network__in'] = "$wpdb->site.id IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['network__in'] ) ) . ' )';
}
// Parse network IDs for a NOT IN clause.
if ( ! empty( $this->query_vars['network__not_in'] ) ) {
$this->sql_clauses['where']['network__not_in'] = "$wpdb->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'] = $wpdb->prepare( "$wpdb->site.domain = %s", $this->query_vars['domain'] );
}
// Parse network domain for an IN clause.
if ( is_array( $this->query_vars['domain__in'] ) ) {
$this->sql_clauses['where']['domain__in'] = "$wpdb->site.domain IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__in'] ) ) . "' )";
}
// Parse network domain for a NOT IN clause.
if ( is_array( $this->query_vars['domain__not_in'] ) ) {
$this->sql_clauses['where']['domain__not_in'] = "$wpdb->site.domain NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__not_in'] ) ) . "' )";
}
if ( ! empty( $this->query_vars['path'] ) ) {
$this->sql_clauses['where']['path'] = $wpdb->prepare( "$wpdb->site.path = %s", $this->query_vars['path'] );
}
// Parse network path for an IN clause.
if ( is_array( $this->query_vars['path__in'] ) ) {
$this->sql_clauses['where']['path__in'] = "$wpdb->site.path IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__in'] ) ) . "' )";
}
// Parse network path for a NOT IN clause.
if ( is_array( $this->query_vars['path__not_in'] ) ) {
$this->sql_clauses['where']['path__not_in'] = "$wpdb->site.path NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__not_in'] ) ) . "' )";
}
// Falsey search strings are ignored.
if ( strlen( $this->query_vars['search'] ) ) {
$this->sql_clauses['where']['search'] = $this->get_search_sql(
$this->query_vars['search'],
array( "$wpdb->site.domain", "$wpdb->site.path" )
);
}
$join = '';
$where = implode( ' AND ', $this->sql_clauses['where'] );
$groupby = '';
$pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
/**
* Filters the network query clauses.
*
* @since WP-4.6.0
*
* @param array $pieces A compacted array of network query clauses.
* @param WP_Network_Query $this Current instance of WP_Network_Query (passed by reference).
*/
$clauses = apply_filters_ref_array( 'networks_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->site $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 ) );
}
$network_ids = $wpdb->get_col( $this->request );
return array_map( 'intval', $network_ids );
}
Changelog
Version | Description |
---|---|
WP-4.6.0 | Introduced. |