From: [EMAIL PROTECTED] Operating system: * PHP version: 6CVS-2005-11-16 (CVS) PHP Bug Type: Scripting Engine problem Bug description: Objects can lose references
Description: ------------ Assignment by reference to property may lose reference. Reproduce code: --------------- <?php $a = new stdClass; $a->x0 = new stdClass; $a->x0->y0 = 'a'; $a->x0->y1 =& $a->x0; $a->x0->y2 =& $a->x0; $a->x0->y0 = 'b'; var_dump($a); ?> Expected result: ---------------- object(stdClass)#1 (1) { ["x0"]=> &object(stdClass)#2 (3) { ["y0"]=> string(1) "b" ["y1"]=> &object(stdClass)#2 (3) { ["y0"]=> string(1) "b" ["y1"]=> *RECURSION* ["y2"]=> *RECURSION* } ["y2"]=> &object(stdClass)#2 (3) { ["y0"]=> string(1) "b" ["y1"]=> *RECURSION* ["y2"]=> *RECURSION* } } } Actual result: -------------- object(stdClass)#1 (1) { ["x0"]=> object(stdClass)#2 (3) { ["y0"]=> string(1) "b" ["y1"]=> object(stdClass)#2 (3) { ["y0"]=> string(1) "b" ["y1"]=> *RECURSION* ["y2"]=> *RECURSION* } ["y2"]=> object(stdClass)#2 (3) { ["y0"]=> string(1) "b" ["y1"]=> *RECURSION* ["y2"]=> *RECURSION* } } } /home/dmitry/php/php5.1/Zend/zend_vm_execute.h(393) : Freeing 0x08B29C94 (16 bytes), script=ass4.php === Total 1 memory leaks detected === -- Edit bug report at http://bugs.php.net/?id=35239&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=35239&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=35239&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=35239&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=35239&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=35239&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=35239&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=35239&r=needscript Try newer version: http://bugs.php.net/fix.php?id=35239&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=35239&r=support Expected behavior: http://bugs.php.net/fix.php?id=35239&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=35239&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=35239&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=35239&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35239&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=35239&r=dst IIS Stability: http://bugs.php.net/fix.php?id=35239&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=35239&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=35239&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=35239&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=35239&r=mysqlcfg