#33626 [Opn->Csd]: Object comparison diverges from PHP 4 to 5

ID: 33626 Updated by: vrana@php.net Reported By: andrebacci dot listas at gmail dot com -Status: Open +Status: Closed Bug Type: Documentation problem PHP Version: 5.0.4 New Comment: This bug has been fixed in the documentation's XML sources. Since the online and downloadable versions of the documentation need some time to get updated, we would like to ask you to be a bit patient. Thank you for the report, and for helping us make our documentation better. Link to PHP 5 object comparison to table 15-4. Previous Comments: ------------------------------------------------------------------------ [2005-07-10 16:00:36] andrebacci dot listas at gmail dot com http://www.php.net/manual/en/language.operators.comparison.php Table 15-4, table 15-5, example 15-2 and no mention to BC in PHP 4 to 5. ------------------------------------------------------------------------ [2005-07-10 09:05:57] tony2001@php.net http://www.php.net/manual/en/language.oop5.object-comparison.php ------------------------------------------------------------------------ [2005-07-10 06:32:12] andrebacci dot listas at gmail dot com http://news.php.net/php.internals/17211 ------------------------------------------------------------------------ [2005-07-10 01:15:12] andrebacci dot listas at gmail dot com 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 this bug report at http://bugs.php.net/?id=33626&edit=1