#37836 [Opn->Bgs]: Value changed with passing by reference

ID: 37836 Updated by: derick@php.net Reported By: freebsd at akruijff dot dds dot nl -Status: Open +Status: Bogus Bug Type: Class/Object related Operating System: FreeBSD 6.1 PHP Version: 5.1.4 New Comment: Thank you for taking the time to write to us, but this is not a bug. Please double-check the documentation available at http://www.php.net/manual/ and the instructions on how to report a bug at http://bugs.php.net/how-to-report.php . Previous Comments: ------------------------------------------------------------------------ [2006-06-18 06:44:56] freebsd at akruijff dot dds dot nl Description: ------------ The same objects ends up being added multiple times to the internal array. I don't understand why this happens. Reproduce code: --------------- class X { private $arr = array(); function add(X &$y) { $this->arr[] =& $y; } } $x = new X(); for ($i = 0; $i < 10; $i++) { $y = new X(); echo "$i: adding $y to $x<br>"; $x->add($y); } Expected result: ---------------- I'm expecting to see this: 0: adding Object id #2 to Object id #1 1: adding Object id #3 to Object id #1 2: adding Object id #4 to Object id #1 3: adding Object id #5 to Object id #1 4: adding Object id #6 to Object id #1 5: adding Object id #7 to Object id #1 6: adding Object id #8 to Object id #1 7: adding Object id #9 to Object id #1 8: adding Object id #10 to Object id #1 9: adding Object id #11 to Object id #1 Actual result: -------------- 0: adding Object id #2 to Object id #1 1: adding Object id #3 to Object id #1 2: adding Object id #2 to Object id #1 3: adding Object id #3 to Object id #1 4: adding Object id #2 to Object id #1 5: adding Object id #3 to Object id #1 6: adding Object id #2 to Object id #1 7: adding Object id #3 to Object id #1 8: adding Object id #2 to Object id #1 9: adding Object id #3 to Object id #1 ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=37836&edit=1