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Bug #44742 timezone_offset_get() behaviour change
Submitted: 2008-04-16 11:24 UTC Modified: 2008-04-26 11:26 UTC
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: Assigned: derick (profile)
Status: Closed Package: Date/time related
PHP Version: 5.2CVS-2008-04-24 (snap) OS: Any
Private report: No CVE-ID: None
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 [2008-04-16 11:24 UTC]
timezone_offset_get() causes segmentation faults.

Reproduce code:
$ ./php.exe -r '$date= date_create("2008-04-11 00:00:00+0000"); var_dump(timezone_offset_get(date_timezone_get($date), $date));'
[...Segmentation fault Dialog box...]

friebe@rnt15501 ~/bin/php5dev
$ ./php.exe -v
PHP 5.2.6RC6-dev (cli) (built: Apr 15 2008 12:04:52) 
Copyright (c) 1997-2008 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies

Expected result:

Actual result:
Segmentation fault


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 [2008-04-16 11:51 UTC]
Works fine with 5.2.5...
 [2008-04-16 17:24 UTC]
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
Thank you for the report, and for helping us make PHP better.

However, the expected output is int(0).
 [2008-04-24 16:05 UTC]
Reopen, now I get different results:

$ php -r '$date= date_create("2008-04-11 00:00:00+0000"); var_dump(timezone_offset_get(date_timezone_get($date), $date));'

$ php -v
PHP 5.2.5 (cli) (built: Nov  8 2007 23:18:51) 

== versus ==

$ ./php.exe -r '$date= date_create("2008-04-11 00:00:00+0000"); var_dump(timezone_offset_get(date_timezone_get($date), $date));'

$ ./php.exe -v
PHP 5.2.6RC6-dev (cli) (built: Apr 24 2008 08:04:56) 

 [2008-04-24 16:08 UTC]
You did notice Derick's comment?

"However, the expected output is int(0)."

So what you get is the expected value..
 [2008-04-26 11:26 UTC]
> "However, the expected output is int(0)."

I indeed didn't notice this. The expected value was what PHP 5.2.5 gave me (and also what 5.2.0, 5.2.1 and 5.2.3 report).

To sum it up:
* PHP < 5.2.6 is broken
* PHP 5.2.6RC* segfaulted and was thus broken
* PHP >= 5.2CVS-2008-04-24 is fixed.

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Last updated: Sat Sep 18 11:03:36 2021 UTC