wp-includes/class-wp-network-query.php:548Used internally to generate an SQL string for searching across multiple columns.
$searchstring$columnsstring[]string protected function get_search_sql( $search, $columns ) { global $wpdb; $like = '%' . $wpdb->esc_like( $search ) . '%'; $searches = array(); foreach ( $columns as $column ) { $searches[] = $wpdb->prepare( "$column LIKE %s", $like ); } return '(' . implode( ' OR ', $searches ) . ')'; }Introduced in 4.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-network-query.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.