#40340 [NEW]: Creating a DateTime object using a string that is invalid due to DST transition

[kal at kalunite dot net]

From: kal at kalunite dot net
Operating system: Linux
PHP version: 5.2.0
PHP Bug Type: Date/time related
Bug description: Creating a DateTime object using a string that is invalid due to DST transition

Description:
------------
You can create an invalid DateTime object by giving it a string in the GNU
Date Input Format syntax.

For instance, '2006-04-02 02:05:00 America/New_York' is supposed to be
invalid because DST takes effect on that day, such that all times >=
02:00:00 and < 03:00:00 are supposed to be invalid. Trying to create a
DateTime object with that string is supposed to return FALSE.

The bug is probably not caused by an outdated timezone database because
the timezone database in use is version 2006.14.

I could not test for the bug in the latest snapshot because the latest
snapshot crashes Apache2 on my machine( and that's a different story).

Reproduce code:
---------------
<?
$foo = date_create('2006-04-02 02:05:00 America/New_York');
if($foo)
{
echo $foo->format('Y-m-d H:i:s e'),$foo->format('I')?' DST':'';
}
else
{
echo "FALSE";
}
?>

Expected result:
----------------
FALSE

Actual result:
--------------
2006-04-02 02:05:00 America/New_York DST

--
Edit bug report at [url]http://bugs.php.net/?id=40340&edit=1[/url]
--
Try a CVS snapshot (PHP 4.4): [url]http://bugs.php.net/fix.php?id=40340&r=trysnapshot44[/url]
Try a CVS snapshot (PHP 5.2): [url]http://bugs.php.net/fix.php?id=40340&r=trysnapshot52[/url]
Try a CVS snapshot (PHP 6.0): [url]http://bugs.php.net/fix.php?id=40340&r=trysnapshot60[/url]
Fixed in CVS: [url]http://bugs.php.net/fix.php?id=40340&r=fixedcvs[/url]
Fixed in release: [url]http://bugs.php.net/fix.php?id=40340&r=alreadyfixed[/url]
Need backtrace: [url]http://bugs.php.net/fix.php?id=40340&r=needtrace[/url]
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Try newer version: [url]http://bugs.php.net/fix.php?id=40340&r=oldversion[/url]
Not developer issue: [url]http://bugs.php.net/fix.php?id=40340&r=support[/url]
Expected behavior: [url]http://bugs.php.net/fix.php?id=40340&r=notwrong[/url]
Not enough info: [url]http://bugs.php.net/fix.php?id=40340&r=notenoughinfo[/url]
Submitted twice: [url]http://bugs.php.net/fix.php?id=40340&r=submittedtwice[/url]
register_globals: [url]http://bugs.php.net/fix.php?id=40340&r=globals[/url]
PHP 3 support discontinued: [url]http://bugs.php.net/fix.php?id=40340&r=php3[/url]
Daylight Savings: [url]http://bugs.php.net/fix.php?id=40340&r=dst[/url]
IIS Stability: [url]http://bugs.php.net/fix.php?id=40340&r=isapi[/url]
Install GNU Sed: [url]http://bugs.php.net/fix.php?id=40340&r=gnused[/url]
Floating point limitations: [url]http://bugs.php.net/fix.php?id=40340&r=float[/url]
No Zend Extensions: [url]http://bugs.php.net/fix.php?id=40340&r=nozend[/url]
MySQL Configuration Error: [url]http://bugs.php.net/fix.php?id=40340&r=mysqlcfg[/url]

[derick@php.net]

ID: 40340
Updated by: [email]derick@php.net[/email]
Reported By: kal at kalunite dot net
-Status: Open
+Status: Assigned
Bug Type: Date/time related
Operating System: Linux
PHP Version: 5.2.0
-Assigned To:
+Assigned To: derick


Previous Comments:
------------------------------------------------------------------------

[2007-02-03 04:27:27] kal at kalunite dot net

Description:
------------
You can create an invalid DateTime object by giving it a string in the
GNU Date Input Format syntax.

For instance, '2006-04-02 02:05:00 America/New_York' is supposed to be
invalid because DST takes effect on that day, such that all times >=
02:00:00 and < 03:00:00 are supposed to be invalid. Trying to create a
DateTime object with that string is supposed to return FALSE.

The bug is probably not caused by an outdated timezone database because
the timezone database in use is version 2006.14.

I could not test for the bug in the latest snapshot because the latest
snapshot crashes Apache2 on my machine( and that's a different story).

Reproduce code:
---------------
<?
$foo = date_create('2006-04-02 02:05:00 America/New_York');
if($foo)
{
echo $foo->format('Y-m-d H:i:s e'),$foo->format('I')?' DST':'';
}
else
{
echo "FALSE";
}
?>

Expected result:
----------------
FALSE

Actual result:
--------------
2006-04-02 02:05:00 America/New_York DST


------------------------------------------------------------------------


--
Edit this bug report at [url]http://bugs.php.net/?id=40340&edit=1[/url]