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

1477		 * @since 6.2.01478		 *1479		 * @param string[] $search_columns Array of column names to be searched.1480		 * @param string   $search         Text being searched.1481		 * @param WP_Query $query          The current WP_Query instance.1482		 */1483		$search_columns = (array) apply_filters( 'post_search_columns', $search_columns, $query_vars['s'], $this );1484 1485		// Use only supported search columns.1486		$search_columns = array_intersect( $search_columns, $default_search_columns );1487		if ( empty( $search_columns ) ) {1488			$search_columns = $default_search_columns;1489		}