Comments on: Monitor progress of long running Php scripts with Html5 server sent events

By: Bruce Thompson

Bruce Thompson — Tue, 01 Sep 2020 13:41:27 +0000

I had the same problem as Qasim Zubair and solved it the same way. You should add:
header(‘X-Accel-Buffering: no’);
to send_message() after the echo statements.

The correct send_message() function is:
function send_message($id, $message, $progress)
{
$d = array(‘message’ => $message , ‘progress’ => $progress);

echo “id: $id” . PHP_EOL;
echo “data: ” . json_encode($d) . PHP_EOL;
echo PHP_EOL;
//PUSH THE data out by all FORCE POSSIBLE
header(“X-Accel-Buffering: no”);
ob_end_flush();
flush();
}

In addition, you have a bug in the php code. The line:
send_message($serverTime, ‘TERMINATE’);
should be changed to:
send_message($serverTime, ‘TERMINATE’, 100);

By: Ian

Ian — Mon, 04 May 2020 09:55:45 +0000

Not sure I understand ithis… when running the client side code… how does the server side code (task.php) get started?

I get the Error message as its triggering the add_log(‘Error occured’); function.

By: Mike

Mike — Mon, 24 Apr 2017 15:07:51 +0000

In reply to noup.

Useless reply from noup… why even reply if you have no idea or cannot provide any useful information???

eli, or others, if this problem occurs try turning off virus protection or the firewall to see if it corrects.

By: SADi

SADi — Fri, 18 Nov 2016 15:02:13 +0000

for me it’s working on localhost but on server doesn’t work, any idea?

By: Qasim Zubair

Qasim Zubair — Wed, 26 Oct 2016 20:23:05 +0000

I am using nginx. I had to add header(‘X-Accel-Buffering: no’);
and in send_message() function I had to add ob_flush();
flush(); to make it work

By: noup

noup — Wed, 23 Mar 2016 19:56:49 +0000

In reply to eli. its not so easy as copy and paste. You should understand how it works a little bit as well.

By: eli

eli — Tue, 30 Jul 2013 07:51:00 +0000

Works fine in your example, but ..
I uploaded the files to powweb. Messages now only appear (all together) after the php has completed.

help !