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Bug #49713 global vs static usage
Submitted: 2009-09-29 16:34 UTC Modified: 2009-10-01 16:16 UTC
From: patrickdk at patrickdk dot com Assigned:
Status: Not a bug Package: Scripting Engine problem
PHP Version: 5.2.11 OS: Ubuntu
Private report: No CVE-ID: None
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From: patrickdk at patrickdk dot com
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 [2009-09-29 16:34 UTC] patrickdk at patrickdk dot com 
Description:
------------
the global modifier causes http 500 errors but doesn't produce any syntax errors or other messages when used incorrectly. It's behavure isn't documented and is described next to static that works differently.

Reproduce code:
---------------
<?php global $test=true;


Expected result:
----------------
It should give a syntax error, and manual should be updates to explain assigning a value on the global declaration isn't valid, unlike with static.


Actual result:
--------------
php-cgi test.php 

Status: 500 Internal Server Error
X-Powered-By: PHP/5.2.11
Content-type: text/html

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 [2009-09-30 18:32 UTC] sjoerd@php.net 
Thank you for your bug report.

Does this problem occur with all parse problems or just this one? Do you have error reporting enabled? Is there something in your PHP error log?
 [2009-10-01 04:09 UTC] patrickdk at patrickdk dot com 
I dunno what you mean by 'all parse problems'.

I turned on as much debugging info as I can, have all warnings/notify also logged. I saw normal errors like syntax/unused vars/... in the logs, but never anything about that global line.

I used the test code:
<?php global $test=true;

To figure out what was wrong. I also used this to see if it made a difference:
<?php function testing() { global $test=true; }

And it didn't, both fail without any warning/error/message.
 [2009-10-01 12:52 UTC] patrickdk at patrickdk dot com 
did some more testing, dunno.
It seems to only be that one machine though that doesn't print the syntax warning, even though warnings/errors are getting logged.

Would still be good to make this clear in the php manual though.
 [2009-10-01 16:16 UTC] jani@php.net 
Check your php.ini settings, any possible .htaccess / httpd.conf 
settings, etc. This is no bug, I get proper errors with properly 
configured server.
 
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