#40709 [Opn->Csd]: array_reduce behaves strange with one item stored arrays

ID: 40709 Updated by: iliaa@php.net Reported By: ctulek at gmail dot com -Status: Open +Status: Closed Bug Type: Arrays related Operating System: Windows PHP Version: 5.2.1 New Comment: This bug has been fixed in CVS. Snapshots of the sources are packaged every three hours; this change will be in the next snapshot. You can grab the snapshot at http://snaps.php.net/. Thank you for the report, and for helping us make PHP better. Previous Comments: ------------------------------------------------------------------------ [2007-03-03 16:20:30] ctulek at gmail dot com Description: ------------ array_reduce seems to modify, after one call, arrays which have only one item. This can be observed with many different ways. One example code is given. Reproduce code: --------------- <?php function CommaSeperatedList($a, $b) { if($a == null) return $b; else return $a.','.$b; } $arr1 = array(1,2,3); $arr2 = array(1); echo "result for arr1: ".array_reduce($arr1,'CommaSeperatedList')."<br>"; echo "result for arr2: ".array_reduce($arr2,'CommaSeperatedList')."<br>"; echo "result for arr1: ".array_reduce($arr1,'CommaSeperatedList')."<br>"; echo "result for arr2: ".array_reduce($arr2,'CommaSeperatedList')."<br>"; ?> Expected result: ---------------- result for arr1: 1,2,3 result for arr2: 1 result for arr1: 1,2,3 result for arr2: 1 Actual result: -------------- result for arr1: 1,2,3 result for arr2: 1 result for arr1: 1,2,3 result for arr2: ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=40709&edit=1