apply_filters( 'post_search_columns', string[] $search_columns, string $search, WP_Query $query )

1438		 * @since 6.2.01439		 *1440		 * @param string[] $search_columns Array of column names to be searched.1441		 * @param string   $search         Text being searched.1442		 * @param WP_Query $query          The current WP_Query instance.1443		 */1444		$search_columns = (array) apply_filters( 'post_search_columns', $search_columns, $q['s'], $this );1445 1446		// Use only supported search columns.1447		$search_columns = array_intersect( $search_columns, $default_search_columns );1448		if ( empty( $search_columns ) ) {1449			$search_columns = $default_search_columns;1450		}