Bug #51755 [NEW]: date_diff and DateTime::diff break next operation with float variable

From: Date: Thu, 06 May 2010 10:35:46 +0000
Subject: Bug #51755 [NEW]: date_diff and DateTime::diff break next operation with float variable
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-150225@lists.php.net to get a copy of this message 
From:             
Operating system: Windows 7 Professional
PHP version:      Irrelevant
Package:          Variables related
Bug Type:         Bug
Bug description:date_diff and DateTime::diff break next operation with float variable

Description:
------------
When using function date_diff or DateTime::diff, next operation (math,
print etc.) 
with variable type float fails. I got results as float(>.J), but only for
first 
operation. This issue can persists to next script process(first contains
date_diff 
function, next contains operation with float variable)

PHP ver 5.3.1

Test script:
---------------
$a = 141.4;

var_dump($a);

$datetime1 = new DateTime('2009-10-11');
$datetime2 = new DateTime('2009-10-13');
$datetime1->diff($datetime2);

var_dump($a);
var_dump($a);

Expected result:
----------------
float(141.4) float(141.4) float(141.4)

Actual result:
--------------
float(141.4) float(>.J) float(141.4)

-- 
Edit bug report at http://bugs.php.net/bug.php?id=51755&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=51755&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=51755&r=trysnapshot53
Try a snapshot (PHP 6.0):            http://bugs.php.net/fix.php?id=51755&r=trysnapshot60
Fixed in SVN:                        http://bugs.php.net/fix.php?id=51755&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51755&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=51755&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=51755&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=51755&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=51755&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=51755&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=51755&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=51755&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=51755&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=51755&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=51755&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=51755&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=51755&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=51755&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=51755&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=51755&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=51755&r=mysqlcfg

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