protected function getPreparedSelectResultRecordStatement() { if (self::$preparedSelectResultRecordStatement === null) { $query = "\n\t\t\t\tSELECT points, manual, hint_count, hint_points, answered FROM tst_test_result\n\t\t\t\tWHERE active_fi = ? AND question_fi = ? AND pass = ?\n\t\t\t"; self::$preparedSelectResultRecordStatement = $this->db->prepare($query, array('integer', 'integer', 'integer')); } return self::$preparedSelectResultRecordStatement; }