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[2003-04-02 11:18 UTC] mak77 at anvi dot it
ok so here is my problem
my php.ini is set to
output_buffering = On
output_handler = ob_gzhandler
zlib.output_compression = Off
;zlib.output_handler =
and i have a script (content management system similar to php-nuke), it's a very big pile of code so i cannot put here it all.
hwv... the script has mainly an API that is a class..
the part of interest is
class API
{
var $_OB=true;
var $_OB_HANDLER='ob_gzhandler';
function API()
{
if(ini_get('zlib.output_compression')) $this->_OB_HANDLER='';
if(!ini_get('output_buffering') && $this->_OB) {ob_start($this->_OB_HANDLER);}
if(!$this->_OB && ini_get('output_buffering')) {$this->_OB=true;}
}
... other code
}
a page is build as
$API->page_start(); //html headers and module initialize
//contents here
$API->page_end();
the problem is that having output_buffering=on often the browser stay "stuck" waiting for the page (and i have to refresh to get the page), while other times it renders the page immediately.
the problem totally disappear if i set output_buffering=off in the php.ini file (i can do this on my pc but not on provider's server!)
so i've tried to put this code in $API->page_end (the last function called)
if($this->_OB) {
//$page=ob_get_contents();
$page=ob_get_contents();
$fp=fopen("debug.txt","w");
fwrite($fp,var_export(ob_get_status(true),true)."\n\n".$page);
fclose($fp);
ob_end_flush();
}
the scripts reach the end (a debug.txt file is created correctly) but the page is not always displayed (1 time works correctly, 1 time the browser wait for something and do nothing)
the debug.txt file contains:
array (
0 =>
array (
'chunk_size' => 0,
'size' => 61440,
'block_size' => 10240,
'type' => 1,
'status' => 0,
'name' => 'ob_gzhandler',
'del' => true,
),
)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" />
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="IT" lang="IT" dir="ltr">
<head>
... and so on
Browser is IE 6.0 sp1, works correctly with mozilla 1.2, so is probably some header's problem.
Same problem with phpMyAdmin 2.4.0
server is IIS 5.1, php installed as an isapi filter
waiting for some help if possible, i'll try to create a little script to reproduce the problem...
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taken with wget from the main page HTTP/1.1 200 OK Server: Microsoft-IIS/5.1 Date: Thu, 03 Apr 2003 12:51:31 GMT Content-type: text/html X-Powered-By: PHP/4.3.2-RC Set-Cookie: PHPSESSID=a146a67ef3e8414fb39375c9ab96379e; path=/ Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache this is a page that doesn't have the problem, it seems to me that this kind of problem happens after a call to header("location:someurl"); for example i have a select form (get method) that changes the theme, it pass a variable to the same page (localhost/neo3/index.php?module=mainpage) with the name of the new theme. The page reads the variable, set appropriately the session and then calls header("location:localhost/neo3/index.php?module=mainpage"); The page should restart, catch the info from the session and change theme appropriately, but it works only half of the times on IE with buffering enable, full times on Mozilla.