From:
Operating system: Ubuntu 10.04
PHP version: 5.4SVN-2011-07-20 (SVN)
Package: Date/time related
Bug Type: Bug
Bug description:DateTime::add() and sub() result -1 hour on objects with time
zone type 2
Description:
------------
Calling add() or sub() on DateTime objects using a type 2 time zone results
in the answer being behind by one hour.
Test script has been added to SVN.
Test script:
---------------
date_default_timezone_set('America/New_York');
$interval = new DateInterval('PT2H1M');
$date3 = new DateTime('2010-10-04 02:18:48');
$date2 = new DateTime('2010-10-04 02:18:48 EDT');
echo 'Zone Type 3: ' . $date3->format('Y-m-d H:i:s T') . "\n";
echo 'Zone Type 2: ' . $date2->format('Y-m-d H:i:s T') . "\n";
echo $interval->format('Add %h hours %i minutes') . "\n";
$date3->add($interval);
$date2->add($interval);
echo 'Zone Type 3: ' . $date3->format('Y-m-d H:i:s T') . "\n";
echo 'Zone Type 2: ' . $date2->format('Y-m-d H:i:s T') . "\n";
// Try subtracting from expected result.
$date3 = new DateTime('2010-10-04 04:19:48');
$date2 = new DateTime('2010-10-04 04:19:48 EDT');
echo $interval->format('Subtract %h hours %i minutes from expected') .
"\n";
$date3->sub($interval);
$date2->sub($interval);
echo 'Zone Type 3: ' . $date3->format('Y-m-d H:i:s T') . "\n";
echo 'Zone Type 2: ' . $date2->format('Y-m-d H:i:s T') . "\n";
Expected result:
----------------
Zone Type 3: 2010-10-04 02:18:48 EDT
Zone Type 2: 2010-10-04 02:18:48 EDT
Add 2 hours 1 minutes
Zone Type 3: 2010-10-04 04:19:48 EDT
Zone Type 2: 2010-10-04 04:19:48 EDT
Subtract 2 hours 1 minutes from expected
Zone Type 3: 2010-10-04 02:18:48 EDT
Zone Type 2: 2010-10-04 02:18:48 EDT
Actual result:
--------------
Zone Type 3: 2010-10-04 02:18:48 EDT
Zone Type 2: 2010-10-04 02:18:48 EDT
Add 2 hours 1 minutes
Zone Type 3: 2010-10-04 04:19:48 EDT
Zone Type 2: 2010-10-04 03:19:48 EDT
Subtract 2 hours 1 minutes from expected
Zone Type 3: 2010-10-04 02:18:48 EDT
Zone Type 2: 2010-10-04 01:18:48 EDT
--
Edit bug report at https://bugs.php.net/bug.php?id=55253&edit=1
--
Try a snapshot (PHP 5.2):
https://bugs.php.net/fix.php?id=55253&r=trysnapshot52
Try a snapshot (PHP 5.3):
https://bugs.php.net/fix.php?id=55253&r=trysnapshot53
Try a snapshot (trunk):
https://bugs.php.net/fix.php?id=55253&r=trysnapshottrunk
Fixed in SVN:
https://bugs.php.net/fix.php?id=55253&r=fixed
Fixed in SVN and need be documented:
https://bugs.php.net/fix.php?id=55253&r=needdocs
Fixed in release:
https://bugs.php.net/fix.php?id=55253&r=alreadyfixed
Need backtrace:
https://bugs.php.net/fix.php?id=55253&r=needtrace
Need Reproduce Script:
https://bugs.php.net/fix.php?id=55253&r=needscript
Try newer version:
https://bugs.php.net/fix.php?id=55253&r=oldversion
Not developer issue:
https://bugs.php.net/fix.php?id=55253&r=support
Expected behavior:
https://bugs.php.net/fix.php?id=55253&r=notwrong
Not enough info:
https://bugs.php.net/fix.php?id=55253&r=notenoughinfo
Submitted twice:
https://bugs.php.net/fix.php?id=55253&r=submittedtwice
register_globals:
https://bugs.php.net/fix.php?id=55253&r=globals
PHP 4 support discontinued:
https://bugs.php.net/fix.php?id=55253&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=55253&r=dst
IIS Stability:
https://bugs.php.net/fix.php?id=55253&r=isapi
Install GNU Sed:
https://bugs.php.net/fix.php?id=55253&r=gnused
Floating point limitations:
https://bugs.php.net/fix.php?id=55253&r=float
No Zend Extensions:
https://bugs.php.net/fix.php?id=55253&r=nozend
MySQL Configuration Error:
https://bugs.php.net/fix.php?id=55253&r=mysqlcfg
Try a snapshot (PHP 5.4):
https://bugs.php.net/fix.php?id=55253&r=trysnapshot54
