#36484 [NEW]: Overloading bug

From: Date: Wed, 22 Feb 2006 01:06:00 +0000
Subject: #36484 [NEW]: Overloading bug
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-93502@lists.php.net to get a copy of this message
From: dave at dgx dot cz Operating system: Windows XP PHP version: 5.1.2 PHP Bug Type: Class/Object related Bug description: Overloading bug Description: ------------ Overloading results in unexpectable behaviour when using two arrays in overloaded object. Reproduce code: --------------- // basic overloading usage class Test { private $vars = array(), $vars2 = array(); function __get($name) { return $this->vars[$name]; } function __set($name, $value) { $this->vars[$name] = $value; } // initialize new variable function add($name, $value) { $this->vars[$name] = $value; // this second array is not used anymore - but it causes error $this->vars2[$name] = $value; } } $obj = new Test(); $obj->add('order', array(0, 1, 2)); // first test $obj->order[2] = $obj->order[1]; print_r($obj); // second test $obj->order[0] = 99; print_r($obj); Expected result: ---------------- // first test Test Object ( [vars:private] => Array ( [order] => Array ( [0] => 0 [1] => 1 [2] => 1 ) ) [vars2:private] => Array ( [order] => Array ( [0] => 0 [1] => 1 [2] => 2 ) ) // second test Test Object ( [vars:private] => Array ( [order] => Array ( [0] => 99 [1] => 1 [2] => 1 ) ) [vars2:private] => Array ( [order] => Array ( [0] => 0 [1] => 1 [2] => 2 ) ) Actual result: -------------- // first test Test Object ( [vars:private] => Array ( [order] => Array ( [0] => 0 [1] => 1 [2] => 2 ) ) [vars2:private] => Array ( [order] => Array ( [0] => 0 [1] => 1 [2] => 2 ) ) ) // second test Test Object ( [vars:private] => Array ( [order] => Array ( [0] => 99 [1] => 1 [2] => 2 ) ) [vars2:private] => Array ( [order] => Array ( [0] => 99 [1] => 1 [2] => 2 ) ) ) -- Edit bug report at http://bugs.php.net/?id=36484&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=36484&r=trysnapshot44 Try a CVS snapshot (PHP 5.1): http://bugs.php.net/fix.php?id=36484&r=trysnapshot51 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=36484&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=36484&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=36484&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=36484&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=36484&r=needscript Try newer version: http://bugs.php.net/fix.php?id=36484&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=36484&r=support Expected behavior: http://bugs.php.net/fix.php?id=36484&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=36484&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=36484&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=36484&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=36484&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=36484&r=dst IIS Stability: http://bugs.php.net/fix.php?id=36484&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=36484&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=36484&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=36484&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=36484&r=mysqlcfg

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