countdown php online
<?php
session_start();
if( empty( $_SESSION['quiz'] ) )$_SESSION['quiz']=date('Y-m-d H:i:s');
?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script language ="javascript" >
<?php
$start=$_SESSION['quiz'];
$end=date('Y-m-d H:i:s', strtotime( $_SESSION['quiz'] . ' +20 minutes' ) );
echo "
var date_quiz_start='$start';
var date_quiz_end='$end';
var time_quiz_end=new Date('$end').getTime();";
?>
var tim;
var hour= 00;
var min = 01;
var sec = 60;
var f = new Date();
function f1() {
f2();
document.getElementById("starttime").innerHTML = "Your started your Exam at " + f.getHours() + ":" + f.getMinutes();
}
function f2() {
if (parseInt(sec) > 0) {
sec = parseInt(sec) - 1;
document.getElementById("showtime").innerHTML = "Your Left Time is :"+hour+" hours:"+min+" Minutes :" + sec+" Seconds";
tim = setTimeout("f2()", 1000);
}
else {
if (parseInt(sec) == 0) {
min = parseInt(min) - 1;
if (parseInt(min) == 0) {
clearTimeout(tim);
location.href ="index.php";
}
else {
sec = 60;
document.getElementById("showtime").innerHTML = "Your Left Time is :" + min + " Minutes ," + sec + " Seconds";
tim = setTimeout("f2()", 1000);
}
}
}
}
</script>
</head>
<body onload="f1()" >
<form id="form1" runat="server">
<div>
<table width="100%" align="center">
<tr>
<td colspan="2">
</td>
</tr>
<tr>
<td>
<div id="starttime"></div><br />
<div id="endtime"></div><br />
<div id="showtime"></div>
</td>
</tr>
<tr>
<td>
<br />
</td>
</tr>
</table>
<br />
</div>
</form>
</body>
</html>