Bug #51689 [Fbk->Csd]: Date::diff keeps subtracting after Date::sub

From: Date: Fri, 09 Mar 2012 07:49:44 +0000
Subject: Bug #51689 [Fbk->Csd]: Date::diff keeps subtracting after Date::sub
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-168295@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=51689&edit=1

 ID:                 51689
 Updated by:         aharvey@php.net
 Reported by:        binarte at gmail dot com
 Summary:            Date::diff keeps subtracting after Date::sub
-Status:             Feedback
+Status:             Closed
 Type:               Bug
 Package:            Date/time related
 Operating System:   Ubuntu 10.04
 PHP Version:        5.3.2
-Assigned To:        
+Assigned To:        aharvey
 Block user comment: N
 Private report:     N

 New Comment:

Cheers; we'll call this fixed then.


Previous Comments:
------------------------------------------------------------------------
[2012-03-09 07:38:26] php dot net at doppy dot nl

Result on php 5.3.6:
------------------
Thu, 31 Dec 2009 00:00:00 +0000
Thu, 31 Dec 2009 00:00:00 +0000

Thu, 31 Dec 2009 00:00:00 +0000
Thu, 31 Dec 2009 00:00:00 +0000

Thu, 31 Dec 2009 00:00:00 +0000
Thu, 31 Dec 2009 00:00:00 +0000
---------------
This is the expected result.

Recommend closing this.

------------------------------------------------------------------------
[2010-04-29 01:11:17] derick@php.net

Please try using this snapshot:

  http://snaps.php.net/php5.3-latest.tar.gz
 
For Windows:

  http://windows.php.net/snapshots/

------------------------------------------------------------------------
[2010-04-29 00:54:55] binarte at gmail dot com

Description:
------------
After executing a sub() on a DateTime object, for every call of diff(), both DateTime objects start
getting subtracted by the value that was passed on sub().

Test script:
---------------
date_default_timezone_set('GMT');

$t1 = new DateTime('2010-01-01 00:00:00');
$t2 = new DateTime('2010-01-01 00:00:00');
$dif = new DateInterval('P1D');

$t2->sub($dif);
$t1->sub($dif);

for ($x = 0; $x < 3; $x++) {
	$t1->diff($t2);
	echo $t1->format("r\n");
	echo $t2->format("r\n");

	echo "\n";
}


Expected result:
----------------
Fri, 01 Jan 2010 00:00:00 +0000
Fri, 01 Jan 2010 00:00:00 +0000

Fri, 01 Jan 2010 00:00:00 +0000
Fri, 01 Jan 2010 00:00:00 +0000

Fri, 01 Jan 2010 00:00:00 +0000
Fri, 01 Jan 2010 00:00:00 +0000

Actual result:
--------------
Wed, 30 Dec 2009 00:00:00 +0000
Wed, 30 Dec 2009 00:00:00 +0000

Tue, 29 Dec 2009 00:00:00 +0000
Tue, 29 Dec 2009 00:00:00 +0000

Mon, 28 Dec 2009 00:00:00 +0000
Mon, 28 Dec 2009 00:00:00 +0000


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



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