From: matthew1471 at matthew1471 dot co dot uk
Operating system: Windows Server 2003 SP2
PHP version: 5.3.14
Package: Scripting Engine problem
Bug Type: Bug
Bug description:Changes To A Copied DateTime Variable Always Changes Original
Description:
------------
Interacting with a copied DateTime variable (without using the reference
'&' syntax) still changes the original variable.
Test script:
---------------
<?php
// Get today's date.
$originalDate = date_create();;
// Take a copy.
$copiedDate = $originalDate;
// This *will* work for some reason : $copiedDate = clone $originalDate;
echo 'originalDate=' . date_format($originalDate, 'Y-m-d') . '<br/>';
// Add 1 day.
date_add($copiedDate, date_interval_create_from_date_string('1 days'));
// This doesn't work either :
$copiedDate->add(date_interval_create_from_date_string('1 days'));
// $originalDate *SHOULD* still be the same.
echo 'originalDate=' . date_format($originalDate, 'Y-m-d') . '<br/>';
// This behaviour if desired is different with other objects:
$originalString = array('Sausages');
echo $originalString[0] . '<br/>';
$copiedString = $originalString;
$copiedString[0] = 'Ice Cream';
echo $originalString[0] . '<br/>';
?>
Expected result:
----------------
The $originalDate to remain the same as it was before $copiedDate was
changed.
Actual result:
--------------
$originalDate changes.
--
Edit bug report at https://bugs.php.net/bug.php?id=62532&edit=1
--
Try a snapshot (PHP 5.4):
https://bugs.php.net/fix.php?id=62532&r=trysnapshot54
Try a snapshot (PHP 5.3):
https://bugs.php.net/fix.php?id=62532&r=trysnapshot53
Try a snapshot (trunk):
https://bugs.php.net/fix.php?id=62532&r=trysnapshottrunk
Fixed in SVN:
https://bugs.php.net/fix.php?id=62532&r=fixed
Fixed in SVN and need be documented:
https://bugs.php.net/fix.php?id=62532&r=needdocs
Fixed in release:
https://bugs.php.net/fix.php?id=62532&r=alreadyfixed
Need backtrace:
https://bugs.php.net/fix.php?id=62532&r=needtrace
Need Reproduce Script:
https://bugs.php.net/fix.php?id=62532&r=needscript
Try newer version:
https://bugs.php.net/fix.php?id=62532&r=oldversion
Not developer issue:
https://bugs.php.net/fix.php?id=62532&r=support
Expected behavior:
https://bugs.php.net/fix.php?id=62532&r=notwrong
Not enough info:
https://bugs.php.net/fix.php?id=62532&r=notenoughinfo
Submitted twice:
https://bugs.php.net/fix.php?id=62532&r=submittedtwice
register_globals:
https://bugs.php.net/fix.php?id=62532&r=globals
PHP 4 support discontinued:
https://bugs.php.net/fix.php?id=62532&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=62532&r=dst
IIS Stability:
https://bugs.php.net/fix.php?id=62532&r=isapi
Install GNU Sed:
https://bugs.php.net/fix.php?id=62532&r=gnused
Floating point limitations:
https://bugs.php.net/fix.php?id=62532&r=float
No Zend Extensions:
https://bugs.php.net/fix.php?id=62532&r=nozend
MySQL Configuration Error:
https://bugs.php.net/fix.php?id=62532&r=mysqlcfg
