From:             ospite at studenti dot unina dot it
Operating system: Debian GNU/Linux
PHP version:      5.4.5
Package:          CGI/CLI related
Bug Type:         Bug
Bug description:Calling exit() in a shutdown function does not return the exit 
value

Description:
------------
Calling exit() in a shutdown function behaves differently between php 5.3
and php 5.4 (I tested with the latest stable release 5.4.5 too).

The behavior I expect is that the value returned to the calling process is
the one from the last exit() in a shutdown function, and php 5.3 honors
that assumption, while php 5.4 does not.

As a side note, the documentation[1] tells only that calling exit() in a
shutdown function blocks executing further shutdown functions but it does
not make clear what the returned value will be.

[1] http://www.php.net/register_shutdown_function

Test script:
---------------
<?php

# This script behaves differently between php 5.3 and php 5.4
# Test it with php command line:
# $ php test_exit_in_shutdown_function.php; echo $?

function shutdown()
{
  echo 'Script executed with failure', PHP_EOL;
  exit(1);
}

register_shutdown_function('shutdown');

exit(0);

Expected result:
----------------
The return value is the one from the exit() inside the last shutdown
function, this is the php 5.3 behavior:

$ php test_exit_in_shutdown_function.php; echo $?
Script executed with failure
1

Actual result:
--------------
In php 5.4.5 the return value from the exit() inside the shutdown function
is ignored:

$ php test_exit_in_shutdown_function.php; echo $?
Script executed with failure
0

-- 
Edit bug report at https://bugs.php.net/bug.php?id=62725&edit=1
-- 
Try a snapshot (PHP 5.4):            
https://bugs.php.net/fix.php?id=62725&r=trysnapshot54
Try a snapshot (PHP 5.3):            
https://bugs.php.net/fix.php?id=62725&r=trysnapshot53
Try a snapshot (trunk):              
https://bugs.php.net/fix.php?id=62725&r=trysnapshottrunk
Fixed in SVN:                        
https://bugs.php.net/fix.php?id=62725&r=fixed
Fixed in SVN and need be documented: 
https://bugs.php.net/fix.php?id=62725&r=needdocs
Fixed in release:                    
https://bugs.php.net/fix.php?id=62725&r=alreadyfixed
Need backtrace:                      
https://bugs.php.net/fix.php?id=62725&r=needtrace
Need Reproduce Script:               
https://bugs.php.net/fix.php?id=62725&r=needscript
Try newer version:                   
https://bugs.php.net/fix.php?id=62725&r=oldversion
Not developer issue:                 
https://bugs.php.net/fix.php?id=62725&r=support
Expected behavior:                   
https://bugs.php.net/fix.php?id=62725&r=notwrong
Not enough info:                     
https://bugs.php.net/fix.php?id=62725&r=notenoughinfo
Submitted twice:                     
https://bugs.php.net/fix.php?id=62725&r=submittedtwice
register_globals:                    
https://bugs.php.net/fix.php?id=62725&r=globals
PHP 4 support discontinued:          
https://bugs.php.net/fix.php?id=62725&r=php4
Daylight Savings:                    https://bugs.php.net/fix.php?id=62725&r=dst
IIS Stability:                       
https://bugs.php.net/fix.php?id=62725&r=isapi
Install GNU Sed:                     
https://bugs.php.net/fix.php?id=62725&r=gnused
Floating point limitations:          
https://bugs.php.net/fix.php?id=62725&r=float
No Zend Extensions:                  
https://bugs.php.net/fix.php?id=62725&r=nozend
MySQL Configuration Error:           
https://bugs.php.net/fix.php?id=62725&r=mysqlcfg

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