viewanswers.php

<?php
include("header.php");
 
 	$sqlstudentprofile = "SELECT * FROM students where regno=$_SESSION[regno]";
	$querystudentprofile = mysqli_query($con,$sqlstudentprofile);
	$rsstudentprofile = mysqli_fetch_array($querystudentprofile);

	$sqlcourse = "SELECT * FROM course where courseid=$rsstudentprofile[courseid]";
	$qcourse = mysqli_query($con,$sqlcourse);
	$rscourse = mysqli_fetch_array($qcourse);
	
	$sqlsubjects = "SELECT * FROM subjects where courseid=$rscourse[courseid]";
	$qsubjects = mysqli_query($con,$sqlsubjects);
	$rssubjects = mysqli_fetch_array($qsubjects);
	
	$sqlsubject = "SELECT * FROM exam INNER JOIN subjects ON subjects.subjectcode=exam.subjectcode where exam.examid=$_GET[examid]";
	$qsubject = mysqli_query($con,$sqlsubject);
	$rssubject = mysqli_fetch_array($qsubject);
	
	$sqlexamresult = "SELECT * FROM results where examid=$_GET[examid]";
	$qexamresult = mysqli_query($con,$sqlexamresult);
	$rsexamresult = mysqli_fetch_array($qexamresult);
	
	//unanswered questions
	$sqlunanswered = "SELECT * FROM results where examid=$_GET[examid] AND answerid=0";
	$qunanswered = mysqli_query($con,$sqlunanswered);
	$rsunanswered = mysqli_fetch_array($qunanswered);
	
	//answered questions
	$sqlanswered = "SELECT * FROM results where examid=$_GET[examid] AND answerid<>0";
	$qanswered = mysqli_query($con,$sqlanswered);
	$rsanswered = mysqli_fetch_array($qanswered);
	
	//Correct answers
	$sqlexamresult = "SELECT * FROM results INNER JOIN questions ON questions.queid = results.queid where examid=$_GET[examid]";
	$qexamresult = mysqli_query($con,$sqlexamresult);
	while($rsexamresult = mysqli_fetch_array($qexamresult))
	{
		if($rsexamresult[answerid] == $rsexamresult[answer])
		{
			$canswer = $canswer  + 1;
		}
		else
		{
			$wanswer = $wanswer  + 1;
		}
	}
?>
    <div class="slider_top2">
<h2>Examination result</h2>

    </div>
    <div class="clr"></div>
    <div class="body_resize">
              <div class="body">
              <div class="full">
               <p>
                <form method=post action="">
<input type="hidden" name="setid" value="<?php echo $_SESSION[setid]; ?>" />
<table width="610" border="1"  class="tftable">
  <tr>
    <th colspan="2" scope="col"><center>Candidate details</center></th>
    </tr>
  <tr>
    <th scope="col">Roll No</th>
    <td scope="col">&nbsp; <?php echo $rsstudentprofile[regno]; ?></td>
  </tr>
  <tr>
    <th width="183" scope="col">Student Name</th>
    <td width="249" scope="col">&nbsp; <?php echo $rsstudentprofile[name]; ?></td>
  </tr>
  <tr>
    <th colspan="2" scope="row"><center>Result details</center></th>
  </tr>
  <tr>
    <th scope="row">Total questions</th>
    <td>&nbsp;
    <?php
	$sqlexamresult = "SELECT * FROM results where examid=$_GET[examid]";
	$qexamresult = mysqli_query($con,$sqlexamresult);
	$rsexamresult = mysqli_fetch_array($qexamresult);
	echo $totalquestions = mysqli_num_rows($qexamresult);
	?></td>
  </tr>
  <tr>
    <th scope="row">Maximum Marks</th>
    <td>&nbsp;
    <?php echo $totalmarks = $rssubject[totalmarks]; ?>
    </td>
  </tr>
  <tr>
    <th scope="row">Pass marks</th>
    <td>&nbsp;<?php echo $passmarks = $rssubject[passmarks]; ?> %</td>
  </tr>
  <tr>
    <th colspan="2" scope="row">&nbsp;

<?php
	$sqlexamresult = "SELECT * FROM results where examid=$_GET[examid]";
	$qexamresult = mysqli_query($con,$sqlexamresult);
	$qno=1;
while($rsexamresult = mysqli_fetch_array($qexamresult))
{
	$sqlexamresult1 = "SELECT * FROM questions where queid=$rsexamresult[queid]";
	$qexamresult1 = mysqli_query($con,$sqlexamresult1);
	$rsexamresult1 = mysqli_fetch_array($qexamresult1);
?>
<table border="1" width="75%">
  <tr>
    <th width="32%" scope="col">&nbsp; Question No. </th>
    <th width="68%" scope="col">&nbsp;<?php echo $qno; ?></th>
  </tr>
    <tr>
    <th scope="col">&nbsp; Question. </th>
    <th scope="col">&nbsp;<?php echo $rsexamresult1[question]; ?></th>
  </tr>
  <tr>
    <th scope="row">&nbsp;Option 1</th>
    <td>&nbsp;<?php echo $rsexamresult1[option1]; ?></td>
  </tr>
  <tr>
    <th scope="row">&nbsp;Option 2</th>
    <td>&nbsp;<?php echo $rsexamresult1[option2]; ?></td>
  </tr>
  <tr>
    <th scope="row">&nbsp;Option 3</th>
    <td>&nbsp;<?php echo $rsexamresult1[option3]; ?></td>
  </tr>
  <tr>
    <th scope="row">&nbsp;Option 4</th>
    <td>&nbsp;<?php echo $rsexamresult1[option4]; ?></td>
  </tr>
    <tr>
    <th scope="row">&nbsp;Correct answer</th>
    <td>&nbsp;
	<?php
    echo "Option ". $rsexamresult1[answer]; 
	?></td>
  </tr>
    <tr>
    <th scope="row">&nbsp;Your answer</th>
    <td>&nbsp;<?php 
	echo "Option ". $rsexamresult[answerid]; 
	?></td>
  </tr>
</table>
<hr />
<?php
$qno++;
}
?>
    </th>
  </tr>
  <tr>
    <th colspan="2" scope="row" align="center"><center>Exam result</center></th>
    </tr>
  <tr>
    <th scope="row">Answered questions</th>
    <td>&nbsp; <?php echo mysqli_num_rows($qanswered); ?></td>
  </tr>
  <tr>
    <th scope="row">Unanswered questions</th>
    <td>&nbsp; <?php echo mysqli_num_rows($qunanswered); ?></td>
  </tr>
  <tr>
    <th scope="row">Correct answers</th>
    <td>&nbsp; <?php echo $canswer; ?></td>
  </tr>
  <tr>
    <th scope="row">Incorrect answers</th>
    <td>&nbsp; <?php echo $wanswer; ?></td>
  </tr>
  <tr>
    <th scope="row">Marks obtained (In percentage %)</th>
    <td>&nbsp;<?php
    $totpercentagemarks = 0;
    if($canswer > 0 )
    {
      $totpercentagemarks = number_format((($canswer*100) /$totalquestions), 2); 
    }  
    echo  $totpercentagemarks;	
	?> %
    </td>
  </tr>
  <tr>
    <th scope="row">Exam result</th>
    <td>&nbsp; <?php 
	if($totpercentagemarks < $passmarks)
	{
			echo "Fail"; 
	}
	else if($totpercentagemarks > 70)
	{
			echo "Distinction"; 		
	}
	else if($totpercentagemarks > 60)
	{
			echo "First class"; 		
	}
	else if($totpercentagemarks > 45)
	{
			echo "Second Class"; 			
	}
	else if($totpercentagemarks > 35)
	{
			echo "Pass Class"; 			
	}
	?></td>
  </tr>
  <tr>
    <th scope="row">&nbsp;</th>
    <td><label for="answer"></label></td>
  </tr>
  </table>
</form>
<br />
<table border="2" width=612 align="center">
<tr>
<td align="center">
<button onclick="myFunction()">Print this page</button>

<script>
function myFunction()
{
window.print();
}
</script>
 </td>
 </tr>
 </table>
       </p>

              </div>
         

         
        <div class="clr"></div>
      </div>
    </div>
<?php
unset($_GET[examid]);
include("footer.php");
?>