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Doc Bug #62261 ob_start callback flags have changed
Submitted: 2012-06-08 08:25 UTC Modified: 2012-06-09 22:36 UTC
From: casper at langemeijer dot eu Assigned: frozenfire (profile)
Status: Closed Package: Output Control
PHP Version: 5.4.3 OS:
Private report: No CVE-ID: None
View Developer Edit
 [2012-06-08 08:25 UTC] casper at langemeijer dot eu 
Description:
------------
In my investigations on bug #61272 I found that since the output buffering 
rewrite in PHP 5.4 the flags passed to the second parameter of the callback 
passed to ob_start() have changed.

See the test in tests/output/ob_017.phpt and run the new test on PHP 5.3. From 
the output I've discovered the following: (might not be complete)

- PHP_OUTPUT_HANDLER_CONT seems to have a new meaning. It use to signal: more is 
coming. Now it means: this is a continuation of something you've received 
before.

- A new constant with value 8 seems to have been introduced. I don't know it's 
meaning, but I'm guessing it means output buffering will be ended after this 
call (ob_end_clean() causes a call to the callback with the 8 flag set)

BTW: I think the new situation is better, but needs to be documented. Especially 
because this is a functional change.

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 [2012-06-09 22:35 UTC] frozenfire@php.net 
Automatic comment from SVN on behalf of frozenfire
Revision: http://svn.php.net/viewvc/?view=revision&revision=326071
Log: Documented PHP_OUTPUT_HANDLER_* constants.
Updated ob_start() function output_callback parameter description to refer to PHP_OUTPUT_HANDLER_* constants collectively.
Removed empty PHP_OUTPUT_HANDLER_* constants from reserved.constants.core.
Closes bug #62261.
 [2012-06-09 22:36 UTC] frozenfire@php.net
-Status: Open +Status: Closed -Assigned To: +Assigned To: frozenfire
 [2012-06-09 22:36 UTC] frozenfire@php.net 
This bug has been fixed in SVN.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.

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