/** * Setter function for the default sorting direction of the Fetch * function. Available options are RAND, ASC or DESC. * * @param string $direction * The direction that entries should be sorted in, available options * are RAND, ASC or DESC. */ public static function setFetchSortingDirection($direction) { $direction = strtoupper($direction); if ($direction == 'RANDOM') { $direction = 'RAND'; } self::$_fetchSortDirection = in_array($direction, array('RAND', 'ASC', 'DESC')) ? $direction : null; }