$UA = $answer;
                }
                ?>
                    <div class="view_answer" style="margin-top: 10px;">
                        <textarea class="form-control" rows="2" placeholder="Type your answer" name="txtFree[<?php 
                echo $i;
                ?>
]" style="width:600px;"><?php 
                echo $UA;
                ?>
</textarea>
                    </div>
                    <?php 
            } elseif ($ques['question_type'] == 4) {
                $arrAns = WQuestionAnswer::getAnswerByQuesId($ques['id']);
                $arrUA = WUserAnswers::getIDAnswer($ques['id'], $user_test_id);
                if (!isset($arrUA)) {
                    $arrUA = explode(',', $answer);
                }
                $k = 1;
                foreach ($arrAns as $ans) {
                    if ($ans['answer'] != '') {
                        ?>
                        <p><input type="checkbox" <?php 
                        if (in_array($ans['id'], $arrUA)) {
                            echo "checked";
                        }
                        ?>
 name="chkMulti[<?php 
                        echo $i;
                        ?>
 public function actionDoingtest()
 {
     $per_page = 1;
     $page_number = isset($_POST['page']) ? $_POST['page'] : 0;
     //echo $page_number;
     $test_id = isset($_POST['test_id']) ? $_POST['test_id'] : '';
     $course_id = isset($_POST['course_id']) ? $_POST['course_id'] : '';
     $lecture_id = isset($_POST['lecture_id']) ? $_POST['lecture_id'] : '';
     $oneUT = WUserTest::model()->find('test_id=:test_id and course_id=:course_id and lecture_id=:lecture_id and user_id=:user_id', array(':test_id' => $test_id, ':course_id' => $course_id, ':lecture_id' => $lecture_id, ':user_id' => Yii::app()->user->id));
     $position = ($page_number - 1) * $per_page;
     $total = WQuestion::totalQuestion($test_id);
     $pagination = WFunction::paging_question($total, $per_page);
     $question = WQuestion::listQuestion($test_id, $position, $per_page);
     $nameButton = isset($_POST['nameButton']) ? $_POST['nameButton'] : '';
     $UA = '';
     $arrUA = array();
     if ($nameButton == 'next') {
         $ques_type = isset($_POST['question_type']) ? $_POST['question_type'] : '';
         $ques_id = isset($_POST['question_id']) ? $_POST['question_id'] : '';
         $point = isset($_POST['point']) ? $_POST['point'] : '';
         $total_point = $oneUT['pass_score_point'];
         if ($ques_type == 1) {
             $answer = $_POST['rdAns'];
             //echo $answer;exit();
             if ($answer != '') {
                 $modelUserAnswers = new WUserAnswers();
                 $modelUserAnswers->user_test_id = $oneUT['id'];
                 $modelUserAnswers->question_id = $ques_id;
                 $modelUserAnswers->answer_id = $answer;
                 $modelUserAnswers->user_answer_id = $answer;
                 $modelUserAnswers->user_answer_text = '';
                 $modelUserAnswers->created_date = date('Y-m-d H:i:s');
                 $oneAns = WUserAnswers::model()->find('user_test_id=:user_test_id and question_id=:question_id', array(':user_test_id' => $oneUT['id'], ':question_id' => $ques_id));
                 if (is_null($oneAns)) {
                     $modelUserAnswers->save();
                     //Yii::app()->session['ans_id'.$ques_id] = $modelUserAnswers->id;
                 } else {
                     //echo $oneAns['id'];exit();
                     //$modelUserAnswers->updateByPk($oneAns['id'], array($answer));
                     WUserAnswers::updateUA($oneAns['id'], $answer);
                 }
                 if (WUserAnswers::checkAnswer($ques_id, $ques_type)) {
                     $point_user = $point + $total_point;
                 } else {
                     $point_user = $total_point;
                 }
                 WUserTest::updatePointTrainee($test_id, $course_id, Yii::app()->user->id, $point_user, $ques_type);
             } else {
             }
         } elseif ($ques_type == 4) {
             $stranswer = $_POST['chkAns'];
             $answers = explode(',', $stranswer);
             //var_dump($answers); exit();
             $modelUserAnswersM = new WUserAnswers();
             if (count($answers) > 0) {
                 $arrValues = array();
                 foreach ($answers as $a) {
                     //echo $a.' '.$ques_id;exit();
                     //$modelUserAnswersM->user_test_id = $oneUT['id'];
                     //                        $modelUserAnswersM->question_id = $ques_id;
                     //                        $modelUserAnswersM->answer_id = $a;
                     //                        $modelUserAnswersM->user_answer_id = $a;
                     //                        $modelUserAnswersM->user_answer_text = '';
                     //                        $modelUserAnswersM->created_date  = date('Y-m-d H:i:s');
                     //                        $oneAns1 = WUserAnswers::model()->find(
                     //                                  'user_test_id=:user_test_id and
                     //                                  question_id=:question_id and
                     //                                  answer_id=:answer_id',
                     //                                  array(
                     //                                  ':user_test_id'=> $oneUT['id'],
                     //                                  ':question_id' => $ques_id,
                     //                                  ':answer_id'=> $a
                     //                        ));
                     //                        if(isset($oneAns1)){
                     //                            $modelUserAnswersM->save();
                     //                        }else{
                     //                            WUserAnswers::updateUA($oneAns1['id'], $a);
                     //                        }
                     $arrValues[] = '("", ' . $oneUT['id'] . ', ' . $ques_id . ', ' . $a . ', ' . $a . ', "", "' . date("Y-m-d H:i:s") . '")';
                 }
                 $sql = "INSERT INTO {{user_answers}} (`id`, `user_test_id`, `question_id`, `answer_id`, `user_answer_id`, `user_answer_text`, `created_date`) VALUES " . implode(',', $arrValues) . "";
                 WUserAnswers::insertAnswerM($sql);
                 if (WUserAnswers::checkAnswer($ques_id, $ques_type)) {
                     $point_user = $point + $total_point;
                 } else {
                     $point_user = $total_point;
                 }
                 WUserTest::updatePointTrainee($test_id, $course_id, Yii::app()->user->id, $point_user, $ques_type);
             }
         } elseif ($ques_type == 2) {
             $answer = $_POST['txtFree'];
             if ($answer != '') {
                 $modelUserAnswers = new WUserAnswers();
                 $modelUserAnswers->user_test_id = $oneUT['id'];
                 $modelUserAnswers->question_id = $ques_id;
                 $modelUserAnswers->answer_id = '';
                 $modelUserAnswers->user_answer_id = '';
                 $modelUserAnswers->user_answer_text = $answer;
                 $modelUserAnswers->created_date = date('Y-m-d H:i:s');
                 $oneAns = WUserAnswers::model()->find('user_test_id=:user_test_id and question_id=:question_id', array(':user_test_id' => $oneUT['id'], ':question_id' => $ques_id));
                 if (is_null($oneAns)) {
                     $modelUserAnswers->save();
                 } else {
                     WUserAnswers::updateUA($oneAns['id'], $answer);
                 }
             }
         }
         WUserTest::updateStatusTest($test_id, $course_id, 1);
     } elseif ($nameButton == 'previous') {
         $ques_id = isset($_POST['question_id']) ? $_POST['question_id'] : '';
         $ques_type = isset($_POST['question_type']) ? $_POST['question_type'] : '';
         if ($ques_type == 1 || $ques_type == 2) {
             $UA = WUserAnswers::getIDTextAnswer($ques_id, $oneUT['id'], $ques_type);
             //echo $UA;exit();
         } else {
             $arrUA = WUserAnswers::getIDAnswer($ques_id, $oneUT['id']);
         }
     } elseif ($nameButton == 'finished') {
         $ques_type = isset($_POST['question_type']) ? $_POST['question_type'] : '';
         $ques_id = isset($_POST['question_id']) ? $_POST['question_id'] : '';
         $point = isset($_POST['point']) ? $_POST['point'] : '';
         $total_point = $oneUT['pass_score_point'];
         if ($ques_type == 1) {
             $answer = $_POST['rdAns'];
             if ($answer != '') {
                 $modelUserAnswers = new WUserAnswers();
                 $modelUserAnswers->user_test_id = $oneUT['id'];
                 $modelUserAnswers->question_id = $ques_id;
                 $modelUserAnswers->answer_id = $answer;
                 $modelUserAnswers->user_answer_id = $answer;
                 $modelUserAnswers->user_answer_text = '';
                 $modelUserAnswers->created_date = date('Y-m-d H:i:s');
                 $oneAns = WUserAnswers::model()->find('user_test_id=:user_test_id and question_id=:question_id', array(':user_test_id' => $oneUT['id'], ':question_id' => $ques_id));
                 if (is_null($oneAns)) {
                     $modelUserAnswers->save();
                     //Yii::app()->session['ans_id'.$ques_id] = $modelUserAnswers->id;
                 } else {
                     //echo $oneAns['id'];exit();
                     //$modelUserAnswers->updateByPk($oneAns['id'], array($answer));
                     WUserAnswers::updateUA($oneAns['id'], $answer);
                 }
                 if (WUserAnswers::checkAnswer($ques_id, $ques_type)) {
                     $point_user = $total_point + $point;
                 } else {
                     $point_user = $total_point;
                 }
                 WUserTest::updatePointTrainee($test_id, $course_id, Yii::app()->user->id, $point_user, $ques_type);
             } else {
             }
         } elseif ($ques_type == 4) {
             $stranswer = $_POST['chkAns'];
             $answermm = explode(',', $stranswer);
             $modelUserAnswersMM = new WUserAnswers();
             if (count($answermm) > 0) {
                 $arrValues = array();
                 foreach ($answermm as $a) {
                     //$modelUserAnswersMM->user_test_id = $oneUT['id'];
                     //                        $modelUserAnswersMM->question_id = $ques_id;
                     //                        $modelUserAnswersMM->answer_id = $a;
                     //                        $modelUserAnswersMM->user_answer_id = $a;
                     //                        $modelUserAnswersMM->user_answer_text = '';
                     //                        $modelUserAnswersMM->created_date  = date('Y-m-d H:i:s');
                     $arrValues[] = '("", ' . $oneUT['id'] . ', ' . $ques_id . ', ' . $a . ', ' . $a . ', "" , "' . date("Y-m-d H:i:s") . '")';
                     //$oneAns2 = WUserAnswers::model()->find('user_test_id=:user_test_id and question_id=:question_id and answer_id=:answer_id', array(':user_test_id'=> $oneUT['id'], ':question_id' => $ques_id, ':answer_id'=> $a));
                     //                        if(is_null($oneAns2)){
                     //
                     //                            $modelUserAnswersMM->save();
                     //
                     //                        }else{
                     //                            WUserAnswers::updateUA($oneAns2['id'], $a);
                     //                        }
                 }
                 $sql = "INSERT INTO {{user_answers}} (`id`, `user_test_id`, `question_id`, `answer_id`, `user_answer_id`, `user_answer_text`, `created_date`) VALUES " . implode(',', $arrValues) . "";
                 WUserAnswers::insertAnswerM($sql);
                 if (WUserAnswers::checkAnswer($ques_id, $ques_type)) {
                     $point_user = $total_point + $point;
                 } else {
                     $point_user = $total_point;
                 }
                 WUserTest::updatePointTrainee($test_id, $course_id, Yii::app()->user->id, $point_user, $ques_type);
             }
         } elseif ($ques_type == 2) {
             $answer = $_POST['txtFree'];
             if ($answer != '') {
                 $modelUserAnswers = new WUserAnswers();
                 $modelUserAnswers->user_test_id = $oneUT['id'];
                 $modelUserAnswers->question_id = $ques_id;
                 $modelUserAnswers->answer_id = '';
                 $modelUserAnswers->user_answer_id = '';
                 $modelUserAnswers->user_answer_text = $answer;
                 $modelUserAnswers->created_date = date('Y-m-d H:i:s');
                 $oneAns = WUserAnswers::model()->find('user_test_id=:user_test_id and question_id=:question_id', array(':user_test_id' => $oneUT['id'], ':question_id' => $ques_id));
                 if (is_null($oneAns)) {
                     $modelUserAnswers->save();
                 } else {
                     WUserAnswers::updateUA($oneAns['id'], $answer);
                 }
             }
         }
         $url = Yii::app()->params->url_base . '/index.php?r=wTest/result&test_id=' . $test_id . '&course_id=' . $course_id . '&lecture_id=' . $lecture_id . '&total=' . $total;
         echo "<script type='text/javascript'>top.location.href = '{$url}';</script>";
         exit;
     } else {
         $ques1 = $question[0];
         if ($ques1['question_type'] == 1 || $ques1['question_type'] == 2) {
             $UA = WUserAnswers::getIDTextAnswer($ques1['id'], $oneUT['id'], $ques1['question_type']);
             //echo $UA;exit();
         } else {
             $arrUA = WUserAnswers::getIDAnswer($ques1['id'], $oneUT['id']);
         }
     }
     $html = $this->renderPartial('/wTest/trainee/_doingtest', array('question' => $question, 'ua' => $UA, 'arrUA' => $arrUA, 'page_number' => $page_number, 'total' => $total, 'test_id' => $test_id, 'course_id' => $course_id, 'lecture_id' => $lecture_id));
     echo $html;
     exit;
 }