#33626 [NEW]: Object comparison diverges from PHP 4 to 5

From: andrebacci dot listas at gmail dot com Operating system: PHP version: 5.0.4 PHP Bug Type: Class/Object related Bug description: Object comparison diverges from PHP 4 to 5 Description: ------------ Object comparison differs from PHP 4 to 5. From docs http://www.php.net/manual/en/language.operators.comparison.php: Table 15-5. Comparison with Different Types object object Built-in classes can define its own comparison, different classes are uncomparable, same class - compare properties the same way as arrays. In my machine works as in docs: andre@macrossv:~/temp$ php -v PHP 4.3.10-10ubuntu4 (cli) (built: Apr 1 2005 14:16:27) Copyright (c) 1997-2004 The PHP Group Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies In pythonic friend's machine, no: ~> php -v PHP 5.0.4 (cli) (built: Jul 7 2005 20:27:16) Copyright (c) 1997-2004 The PHP Group Zend Engine v2.0.4-dev, Copyright (c) 1998-2004 Zend Technologies Reproduce code: --------------- <?php class Foo { var $bar = 1; } $a = new Foo; $b = new Foo; //var_dump($a); //var_dump($b); echo $a == $b ? "True\n" : "False\n"; echo $a === $b ? "True\n" : "False\n"; ?> Expected result: ---------------- True True Actual result: -------------- True False -- Edit bug report at http://bugs.php.net/?id=33626&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=33626&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=33626&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=33626&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=33626&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=33626&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=33626&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=33626&r=needscript Try newer version: http://bugs.php.net/fix.php?id=33626&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=33626&r=support Expected behavior: http://bugs.php.net/fix.php?id=33626&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=33626&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=33626&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=33626&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=33626&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=33626&r=dst IIS Stability: http://bugs.php.net/fix.php?id=33626&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=33626&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=33626&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=33626&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=33626&r=mysqlcfg