Running PHP code with AJAX in real time? - php

Question

I have PHP page called (jQuery_puff.php) which only holds a javascript/jQuery in it.
The jquery in that PHP is this:
<?php
echo '<script>
$( "#myButton" ).click(function() {
$( "#myDiv" ).effect( "puff", "slow" );
$( "#myDiv" ).toggle( "puff" );
});
</script>';
?>
I have included this PHP page within another PHP file like so:
<?php include "jQuery_puff.php"; ?>
what the first code inside the jQuery_puff.php does is that it will apply a jquery puff effect to the #myDiv everytime the user clicks on the #myButton.
Everything works as they should. so far so good. but this is only happens for one user (client side).
Now My Question:
Is there any way to run this PHP page in real time for all the users using AJAX?
For example the USER 1 clicks on the #myButton and the USER 2, USER 3 etc will also see the puff effect being applied to the #myDiv ?
I thought about using something like this But this doesn't do anything!!
<script type="text/javascript">
$(document).ready(function() {
$("#myButton").click(function() {
$.ajax({
url: 'myOwn.php',
cache: false,
success: function(data) {
checkForNewData2();
}
});
});
var intervalID2 = setInterval(checkForNewData2, 500);
});
function checkForNewData2() {
$.ajax({
url: 'jQuery_puff.php',
dataType: 'json',
cache: false,
success: function(data) {
$("#data").html(data.data);
}
});
}
</script>
am I in the right direction? or...?