table('user_history_question'). " (`ID`, `SaID`, `TID`, `QDate`, `ADate`, `QID`, `Ans`, `Correct`) VALUES (NULL, :said , :tid , :qd , :ad , :qid , :ans , :cor )"; $query = $this->connDB->prepare($sqlString); $query->bindParam(":said", $activity_id); $query->bindParam(":tid", $target_id); $query->bindParam(":qd", $question_time); $query->bindParam(":ad", $answer_time); $query->bindParam(":qid", $question_id); $query->bindParam(":ans", $answer); $query->bindParam(":cor", $correct); $query->execute(); } }