SELECT id, time1, time2, time3, LEAST(IFNULL(t.time1,999999), IFNULL(t.time2,999999), IFNULL(t.time3,999999))AS min FROM `toster_666564` AS t ORDER BY min
return array("errors"=>$this->errors); не пишут, пишутreturn ["errors" => $this->errors];.