#39811 [Opn->Bgs]: array_diff "compare with 2" bug

ID: 39811 Updated by: tony2001@php.net Reported By: wishm at bk dot ru -Status: Open +Status: Bogus Bug Type: Arrays related Operating System: win32 PHP Version: 4.4.4 New Comment: http://php.net/array_diff array_diff() returns an array containing **all the values of array1 that are not present in any of the other arguments*. In your case all values of $a are present in $b. Previous Comments: ------------------------------------------------------------------------ [2006-12-13 07:49:54] wishm at bk dot ru Description: ------------ array_diff() function fails on comparing any array element with 2, when another pair of elements are both set to 2. Fails with that settings only. Reproduce code: --------------- <?php $a = array("2","2"); $b = array("2","any_symbols_here"); // same thing on $b = array("any_symbols_here","2"); print_r(array_diff($a,$b)); ?> Expected result: ---------------- Array ( [1] => 2 ) // second elements are not equal so function should return that element from $a array Actual result: -------------- Array ( ) //empty array - function failed ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=39811&edit=1