#45067 [Opn->Bgs]: empty(array_diff(...)) cause Fatal error

ID: 45067 Updated by: colder@php.net Reported By: jjahson at gmail dot com -Status: Open +Status: Bogus Bug Type: Reproducible crash Operating System: WXP(sp3),OSX 10.5.2,FreeBSD 6.3 PHP Version: 5.2.6 New Comment: Sorry, but your problem does not imply a bug in PHP itself. For a list of more appropriate places to ask for help using PHP, please visit http://www.php.net/support.php as this bug system is not the appropriate forum for asking support questions. Due to the volume of reports we can not explain in detail here why your report is not a bug. The support channels will be able to provide an explanation for you. Thank you for your interest in PHP. empty() works on variables, not expressions. Previous Comments: ------------------------------------------------------------------------ [2008-05-22 15:40:45] jjahson at gmail dot com Description: ------------ I tried to compare two arrays and check result for emptyness - all these in one line, but instead I got a Fatal error. If I assign return value of array_diff to variable and then check its emptyness - it works just like I expect. Reproduce code: --------------- <?php empty(array_diff(array(1,2), array(1,2))); ?> Expected result: ---------------- true Actual result: -------------- Fatal error: Can't use function return value in write context in example.php on line 1 ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=45067&edit=1