Friday, 18 October 2013

How to use setInterval and clearInterval jQuery methods in PHP?

How to use setInterval and clearInterval jQuery methods in PHP?

I will explain usage of setInterval and clearInterval jQuery methods with the help of simple example in PHP. Suppose there is a PHP array in which there are 3 elements. I want to display all of them one by one at regular intervals and stop when all the three array elements have been displayed. I will use setInterval and clearInterval jQuery methods here to implement it.

Here is my index.php file

<script src="//"></script>
<script type="text/javascript">
var count = 0;
var auto_refresh = setInterval(function (){
    $('#mydiv').load('myphpfile.php', {count: count}, function () {
        count = count + 1;
        //after three attempts it won't call php file.
        if (count > 2) {
    }, 1000); 
<div id="mydiv"> </div>

Here is my myphpfile.php file

                 "Array Item 0",
                 "Array Item 1",
                 "Array Item 2");

if (isset($_REQUEST["count"])) 
    echo $questions[intval($_REQUEST["count"])];


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