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Bug #35933 URL rewriting fails on ob_get_contents()
Submitted: 2006-01-08 17:46 UTC Modified: 2006-01-08 18:42 UTC
From: ernest at vogelsinger dot at Assigned:
Status: Not a bug Package: Output Control
PHP Version: 5.1.1 OS: any
Private report: No CVE-ID: None
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From: ernest at vogelsinger dot at
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 [2006-01-08 17:46 UTC] ernest at vogelsinger dot at 
Description:
------------
URL Rewriting fails on ob_get_contents().
Note: the workaround is to have second buffering envelope which gets flushed into the first, thus triggering the URL rewrite. The two lines necessary for the workaround are commented out in the code example.

Reproduce code:
---------------
<?php
$output = <<<EOF
<html><body>
<a href=".">self link</a>
</body></html>
EOF;

ob_start();
// *** ob_start();
session_start();
echo $output;
// *** ob_end_flush();
$data = ob_get_contents();
ob_end_clean();
echo '<xmp>';
if (defined('SID'))
	echo 'URL should be rewritten having: ', SID, "\n";
else
	echo "No SID, no rewritten URL\n";
echo "<xmp>$data</xmp>";
?>

Expected result:
----------------
URL should be rewritten having: PHPSESSID=667e6b2bde474a2820c8e0f8dc41200f
<html><body>
<a href=".?PHPSESSID=667e6b2bde474a2820c8e0f8dc41200f">self link</a> </body></html>

Actual result:
--------------
URL should be rewritten having: PHPSESSID=667e6b2bde474a2820c8e0f8dc41200f
<html><body>
<a href=".">self link</a> </body></html>

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 [2006-01-08 17:51 UTC] sniper@php.net 
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php
 [2006-01-08 18:42 UTC] ernest at vogelsinger dot at 
Thanks for your omments that this is not a bug - IMHO it is actually a bug, not a feature.
URL rewriting should happen at the final stage, when the output is actually flushed back to the client, not at any other obscure location within the PHP output buffers.
---
I'll post a comment on the respective manual page (which I have read and fully understood ;->)
 
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