✏️ Editing: _rankgenerate.php

<?php
        if (!empty($student_data)) {
         if($onlineexam->is_rank_generated){
            ?>
<div class="alert alert-info" role="alert">
<?php echo $this->lang->line('rank_has_already_generated_you_can_update_rank'); ?>
</div>
            <?php 
         }
            ?>
<form action="<?php echo site_url('admin/onlineexam/saverank')?>" id="saverank" method="POST" class="mb10">
    <?php 
    $array_rank=array();
   if(!empty($student_question_array)){
    foreach ($student_question_array as $student_key => $student_value) {
                 $correct_ans       = 0;
                 $wrong_ans         = 0;
                 $not_attempted     = 0;
                 $total_question    = 0;
                 $exam_total_scored = 0;
                 $exam_total_marks  = 0;
                 $exam_total_neg_marks  = 0;
                 $exam_total_descriptive = 0;
           if(!empty($student_value)){
           foreach ($student_value as $question_key => $question_value) {
            $total_marks_json  = getMarks($question_value);
            $total_marks_array = (json_decode($total_marks_json));
            $exam_total_marks=$exam_total_marks+$total_marks_array->get_marks;
            $exam_total_scored=$exam_total_scored+$total_marks_array->scr_marks;

//============
     if ($question_value->select_option != null) {
                     if ($question_value->question_type == "singlechoice" || $question_value->question_type == "true_false") {
                     if ($question_value->select_option == $question_value->correct) {
                         $correct_ans++;
                     } else {
                     $exam_total_neg_marks=$exam_total_neg_marks+ $question_value->neg_marks;
                         $wrong_ans++;
                     }
                     }elseif ($question_value->question_type == "multichoice") {
                     
                     if(array_equal(json_decode($question_value->correct) ,json_decode($question_value->select_option))){
                     $correct_ans++;
                     }else{
                        $exam_total_neg_marks=$exam_total_neg_marks+ $question_value->neg_marks;
                     $wrong_ans++;
                     }
                     
                     }
                      } else {
                        $exam_total_neg_marks=$exam_total_neg_marks+ $question_value->neg_marks;
                                     $not_attempted++;
                                 }

//===============

}
           }

if(!$onlineexam->is_neg_marking){
$exam_total_neg_marks  = 0;
}
               $get_marks=($exam_total_scored-$exam_total_neg_marks);    
               $array_rank[$get_marks][]=$student_key;   
           
    }
}

krsort($array_rank);

$rank_increment=1;
foreach ($array_rank as $rank_key => $rank_value) {
  foreach ($rank_value as $student_key => $student_value) {
  ?>
  <input type="hidden" name="row[]" value="<?php echo $student_value ?>">
  <input type="hidden" name="onlineexam_student_id_<?php echo $student_value ?>" value="<?php echo $rank_increment; ?>">
  <?php
  
  }
  $rank_increment++;
}

?>
    <input type="hidden" name="exam_id" value="<?php echo $examid ?>" id="generate_exam_id">

<button type="submit" class="btn btn-primary pull-right mb10" data-loading-text="<i class='fa fa-spinner fa-spin '></i> Please wait" value=""><?php echo $this->lang->line('generate_rank'); ?></button>

</form>
<?php
}
?>
<div class="clearboth">
    
</div>
<div class="table-responsive quizscroll">

<table class="table table-striped">
    <thead class="tableheadfix">
        <tr>
            <th><?php echo $this->lang->line('admission_no'); ?></th>
            <th><?php echo $this->lang->line('student_name'); ?></th>
            <th><?php echo $this->lang->line('class'); ?></th>
            <?php if ($sch_setting->father_name) { ?>
                <th>
                    <?php echo $this->lang->line('father_name'); ?></th>
                <?php
            }
            if ($sch_setting->category) {
                ?>
                <th><?php echo $this->lang->line('category'); ?></th>
                <?php
            }
            ?>
            <th class="pull-right"><?php echo $this->lang->line('gender'); ?></th>
            <th class="pull-right"><?php echo $this->lang->line('rank'); ?></th>
        </tr>
    </thead>
    <tbody>
        <?php
        if (empty($student_data)) {
            ?>
            <tr>
                <td colspan="7" class="text-danger text-center"><?php echo $this->lang->line('no_record_found'); ?></td>
            </tr>
            <?php
        } else {
            $count = 1;
            foreach ($student_data as $student) {                
                ?>
                <tr>
                    <td><?php echo $student['admission_no']; ?></td>

<td><?php echo $this->customlib->getFullName($student['firstname'], $student['middlename'], $student['lastname'], $sch_setting->middlename, $sch_setting->lastname); ?></td>
                    <td><?php echo $student['class'] . " (" . $student['section'] . ")"; ?></td><?php if ($sch_setting->father_name) { ?>
                        <td><?php echo $student['father_name']; ?></td>
                    <?php }if ($sch_setting->category) { ?>
                        <td><?php echo $student['category']; ?></td>
                    <?php } ?>
                    <td class="pull-right"><?php echo $student['gender']; ?></td>
                    <td class="pull-right"><?php echo $student['exam_rank']; ?></td>

</tr>
                <?php
            }
            $count++;
        }
        ?>
    </tbody>
</table>
</div>

<?php
   function array_equal($a, $b)
   {
       return (
           is_array($a) && is_array($b) && count($a) == count($b) && array_diff($a, $b) === array_diff($b, $a)
       );
   }
   function getMarks($question)
   {
   
       if ($question->select_option != null) {
   
           if ($question->question_type == "singlechoice" || $question->question_type == "true_false") {
   
               if ($question->correct == $question->select_option) {
                   return json_encode(array('get_marks' => $question->marks, 'scr_marks' => $question->marks));
               }
   
           } elseif ($question->question_type == "descriptive") {
   
               return json_encode(array('get_marks' => $question->marks, 'scr_marks' => $question->score_marks));
   
           } elseif ($question->question_type == "multichoice") {
               $cr_ans  = json_decode($question->correct);
               $sel_ans = json_decode($question->select_option);
               if (array_equal($cr_ans, $sel_ans)) {
                   return json_encode(array('get_marks' => $question->marks, 'scr_marks' => $question->marks));
               }
   
           }
       }
   
       return json_encode(array('get_marks' => $question->marks, 'scr_marks' => 0));
   }
   ?>

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