Comments on: PHP jQuery AJAX Javascript Long Polling

By: TJ Mapes

TJ Mapes — Wed, 02 Dec 2009 02:37:28 +0000

Wow great post, does this FB Work?

By: TJ Mapes

TJ Mapes — Tue, 01 Dec 2009 21:37:28 +0000

Wow great post, does this FB Work?

By: Resources for PHP Webmail « David Woodfield

Resources for PHP Webmail « David Woodfield — Tue, 24 Nov 2009 16:55:23 +0000

[...] http://blog.perplexedlabs.com/2009/05/04/php-jquery-ajax-javascript-long-polling/ [...]

By: Marko Jovanovic

Marko Jovanovic — Tue, 15 Sep 2009 20:51:53 +0000

Thank you… Thank you…Hey did i say THANK YOU!
You probably saved 2 weeks of my life :)

By: imwoodie

imwoodie — Sun, 13 Sep 2009 02:23:08 +0000

thanks for correction in memcache matt..

sorry, the code above was alert(bidid) not alert('bidid');
the alert box is displayed well with returned data from xml
it works in all browser except in I.E all version
in I.E the alert box is not displayed.. that's the problem

is there any special code for I.E?
how to make it works in all brower matt with no exceptiom,
I'm getting stuck with it.

Thanks

By: matticakes

matticakes — Sat, 12 Sep 2009 19:26:01 +0000

A couple things.

You should move your memcache connection line outside the while loop - you don't want to reconnect every iteration.

$data, the way you have it written, can never be empty so the loop will always only run one iteration.

If there are no script errors being reported, is an empty alert box being displayed?

By: imwoodie

imwoodie — Sat, 12 Sep 2009 18:02:26 +0000

thanks for reply matt.. appreciate.

well there's no error code in I.E, I'm not using jason but xml as a data..
here are code that I try to implement :


	var lpOnComplete = function(response) {
		$(response).find('id').each(function(){
			var id = $(this); 
			bidid = id.attr("id");
			alert('bidid');
		// do more processing
		});
		
		lpStart();
	};
	
	var lpStart = function() {
		//$.ajaxSetup({ cache: false });
		$.get('proc.php',  { }, lpOnComplete, 'XML');
	};
	
	$(document).ready(lpStart);


This is proc.php, I'm using memcache


$time = time();
while((time() - $time) < 30) {

	// query memcache, database, etc. for new data
	$memcache_obj = memcache_connect('127.0.0.1', 11211);
	$data = "
		  " . memcache_get($memcache_obj, 'bid') . ""; 

	// data is always new
	if(!empty($data)) {
		Header("Content-Type: text/xml");
		echo $data;
		break;
	}
	usleep(2500);
	flush();
}
?>


It doesn't work in I.E

Thanks again matt

By: matticakes

matticakes — Fri, 11 Sep 2009 18:11:55 +0000

have you tried enabling script debugging to see what line of code is causing the problem?

By: imwoodie

imwoodie — Thu, 10 Sep 2009 08:37:59 +0000

Hi, I'm using jquery-1.3.2.. I try to implement your code and is running well in FF, safari, and opera. but it doesn't work in IE.. would you like to give me a clue.. thank you

By: d1Mm

d1Mm — Thu, 03 Sep 2009 15:39:36 +0000

> sleep(25000);
it's about 7 hours ;)
may be usleep(25000) ?