Bug #62233 [Opn->Dup]: foreach destroys arrays

Edit report at https://bugs.php.net/bug.php?id=62233&edit=1 ID: 62233 Updated by: nikic@php.net Reported by: a1283465 at jnxjn dot com Summary: foreach destroys arrays -Status: Open +Status: Duplicate Type: Bug Package: Arrays related Operating System: Linux PHP Version: 5.3.13 Block user comment: N Private report: N New Comment: Duplicate of https://bugs.php.net/bug.php?id=60024 and a few other bugs linked in there. Previous Comments: ------------------------------------------------------------------------ [2012-06-05 15:59:00] a1283465 at jnxjn dot com Description: ------------ See script outputs below. Please note that the array is already broken after the first foreach run because the last array element is now a pointer. Workaround for the second foreach loop: Do a unset($val) between the two foreach loops. Test script: --------------- $a = array(1,2,3); var_dump($a); // array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } foreach ($a as &$val) { } // Now the array is broken var_dump($a); // array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(3) } foreach ($a as $val) { } // Now the array is destroyed var_dump($a); // array(3) { [0]=> int(1) [1]=> int(2) [2]=> &int(2) } echo $a[2]; // Output: 2, Expected: 3 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=62233&edit=1