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Bug #17107 exit() always reports exit status=255
Submitted: 2002-05-08 21:44 UTC Modified: 2002-05-26 17:43 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: phpbug at robin dot pfft dot net Assigned:
Status: Closed Package: Scripting Engine problem
PHP Version: 4.2.0 OS: Linux
Private report: No CVE-ID: None
View Developer Edit
 [2002-05-08 21:44 UTC] phpbug at robin dot pfft dot net 
$ php -v
4.2.0
$ php -q
<?php
exit(5);
?>
$ echo $?
255

exit(n) always reports 255 (or -1) as exit status to the OS, regardless of the value it is passed as argument.

The correct behavior according to the documentation would be to report n as exit status, or echo n if n is a string.

The only workaround I could find is to use return from the global scope.

Thank you :)

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 [2002-05-10 02:06 UTC] derick@php.net 
I think I broke this, so I'll fix it too :)

Derick
 [2002-05-13 13:47 UTC] dave at cc0 dot net 
Experiencing same problem on 4.2.0/Linux. Return from global scope does not seem to work for me though or else I would use it as an alternative.

Is this fixed in CVS?

-Dave
 [2002-05-13 14:10 UTC] phpbug at robin dot pfft dot net 
Here's another workaround for you if you have --enable-pcntl: 
 
$ php -q 
<?php 
pcntl_exec("/bin/sh", array("-c", "exit 123")); 
?> 
$ echo $? 
123
 [2002-05-13 14:57 UTC] dave at cc0 dot net 
The pcntl_exec worked good...Thank you.

Ideally the exit status would work as discussed on the dev mailing list...exit(int) sets status as integer, exit(string) prints string.

just tested on PHP 4.3.0-dev (cli) and still no exit status...;)

Know where I should start hacking?? /sapi/cli ?

Thanks for the pcntl tip!

-Dave
 [2002-05-26 17:43 UTC] edink@php.net 
This bug has been fixed in CVS. You can grab a snapshot of the
CVS version at http://snaps.php.net/. In case this was a documentation 
problem, the fix will show up soon at http://www.php.net/manual/.
In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites.
Thank you for the report, and for helping us make PHP better.
 
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