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exam.php
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exam.php
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<?php
date_default_timezone_set("Asia/Kolkata");
require 'includes/common.php';
if (!isset($_SESSION['admin']))
{
header('location: index.php');
}
$submit='null';
extract($_POST);
extract($_GET);
extract($_SESSION);
$cookie_name='exam_handler';
function getRandomString($length)
{
$validCharacters = "ABCDEFGHIJKLMNPQRSTUXYVWZ123456789";
$validCharNumber = strlen($validCharacters);
$result = "";
for ($i = 0; $i < $length; $i++) {
$index = mt_rand(0, $validCharNumber - 1);
$result .= $validCharacters[$index];
}
return $result;
}
if (isset($_COOKIE[$cookie_name])) {
$q="SELECT * from exam_status WHERE cookie='".$_COOKIE[$cookie_name]."' ";
$result=mysqli_query($con,$q) or die(mysqli_error($con));
if (mysqli_num_rows($result)==0) {
echo '<br><br>cookies were not enabled on your web browser or it expired! <br>SIGN UP AGAIN<br><br>';
echo "<script>setTimeout(function () {
window.location.href= 'signup.php';
},2000);</script>";
}
$row = mysqli_fetch_array($result);
$_SESSION['tid']=$row['tid'];
$_SESSION['trueans']=$row['trueans'];
$_SESSION['naAnswer']=$row['naAnswer'];
$_SESSION['r1']=$row['r1'];
$_SESSION['r2']=$row['r2'];
//$_SESSION['stud_id'];
$_SESSION['qsnnumber']=$row['qsnnumber'];
//$_SESSION['answer'];
$_SESSION['email']=$row['email'];
$_SESSION['name']=$row['name'];
$_SESSION['sdomain']=$row['sdomain'];
$_SESSION['domain']=$row['domain'];
$time=1200-($row['last_time']-$row['start_time']);
}
else
{
$time=1200;
$cookie_value=getRandomString(10);
setcookie($cookie_name, $cookie_value, time() + (86400 * 30), "/"); // 86400 = 1 day
$timee=time();
if(isset($_SESSION['email']))
$eml=$_SESSION['email'];
$uq="UPDATE `exam_status` SET `cookie`='$cookie_value' ,`start_time`='$timee',`last_time`='$timee' WHERE `email`='$eml' ";
$res=mysqli_query($con,$uq ) or die(mysqli_error($con));
}
if (!isset($_SESSION['email']))
{die('Plese <a href="logout.php">login here</a> to access exam portal');}
?>
<!DOCTYPE html>
<html lang="zxx">
<head>
<title>Exam Portal</title>
<!-- custom-theme -->
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="keywords" content="" />
<
<script>
function resizeIframe(obj) {
obj.style.height = 180+ obj.contentWindow.document.body.scrollHeight +'px';
}
</script>
<script type="text/javascript" src="js/jquery-2.1.4.min.js"></script>
<script type="text/javascript" src="js/bootstrap.js"></script>
<!-- stylesheet -->
<link href="css/bootstrap.css" rel="stylesheet" type="text/css" media="all" />
<link href="css/style1.css" rel="stylesheet" type="text/css" media="all" />
<!-- //font-awesome-icons -->
</head>
<body>
<div class="navbar navbar-default navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a href="#" > </a>
</div>
<div class="collapse navbar-collapse" id="myNavbar">
<ul class="nav navbar-nav navbar-right">
<?php
if (isset($_SESSION['email'])) {
?>
<li><a href="#">Hi <?php echo $_SESSION['name']; ?></a></li>
<li><a href="logout.php"><span class="glyphicon glyphicon-log-out"></span>Logout</a></li>
<?php
} else {
?>
<li><a href="signup.php"><span class="glyphicon glyphicon-user"></span>Register</a></li>
<?php }
?>
</ul>
</div>
</div>
</div>
<br><br><br><br>
<center><h1 id="what" style="font-family: sans-serif; font-variant: small-caps; font-weight: 800">Online Exam Portal</h1></center>
<center><h2 id="timer" style="width:6%; border-radius: 10px; background-color: red; font-weight: 900; color: white"></h2></center>
<iframe id="myframe" src="testlink.html" width="100%" frameborder="0" scrolling="yes" onload="resizeIframe(this)" ></iframe>
<div class="footer-bottom" style="position:fixed; bottom: 0 !important;">
<div class="container">
<div class="row">
<div class="col-xs-12 col-sm-6 col-md-6 col-lg-6">
<div class="copyright">
Copyright
</div>
</div>
<div class="col-xs-12 col-sm-6 col-md-6 col-lg-6">
<div class="design">
<a target="_blank" href="#">Designed By : Abhimanyuz</a>
</div>
</div>
</div>
</div>
</div>
<script>
setTimeout("function1()", 3000);
function function1(){
var x = document.getElementById("myframe");
var y = (x.contentWindow || x.contentDocument);
if (y.document)
y = y.document;
y=y.getElementById('fmsub');
var time = <?php $timer=1200; echo $time; ?>; //echo $timer;
//$_SESSION['exam_duration'] is omitted by exam time=1200 seconds
time = (time+1);
time = time*1000;
function displayTimer()
{
var hours = Math.floor(time/36e5);
var mins = Math.floor((time%36e5)/6e4);
var secs = Math.floor((time%6e4)/1000);
$('#timer').html(hours+':'+mins+':'+secs);
if(time<=0)
{
y.click();
}
}
setInterval(function()
{
time-=1000;
displayTimer();
},1000);
}
</script>
<script>
</script>
</body>
</html>