#39356 [Ana->Csd]: in_array() causes "Nesting level too deep" fatal error

ID: 39356 Updated by: vrana@php.net Reported By: 7am dot online at gmail dot com -Status: Analyzed +Status: Closed -Bug Type: Documentation problem +Bug Type: Arrays related Operating System: Windows XP PHP Version: 5.2.0 Previous Comments: ------------------------------------------------------------------------ [2007-06-15 05:35:31] judas dot iscariote at gmail dot com This behaviour has been corrected in current 5_2 CVS, if now first try with === on objects and then with "==" effectively helping to avoid the recursive dependency in **some** cases like the test case of the reporter. ------------------------------------------------------------------------ [2006-11-23 18:24:01] ken at smallboxsoftware dot net I am experiencing this issue as well. Seems like a fairly large change not to document. Also "==" can no longer be used to compare objects of this configuration while "===" still can. Perhaps the functionality behind "===" could be used in the in_array function when comparing objects? ------------------------------------------------------------------------ [2006-11-04 14:47:26] cynic@php.net http://php.net/in_array is completely quiet about references this is a change from 5.1 so it should at least be a documentation problem. ------------------------------------------------------------------------ [2006-11-03 14:01:24] iliaa@php.net 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 In php 5 objects are passed by reference, so your code does in fact create a circular dependency. ------------------------------------------------------------------------ [2006-11-03 03:04:24] 7am dot online at gmail dot com Description: ------------ Doing a in_array() check against an array containing objects with recursive dependency causes a "Nesting level too deep - recursive dependency?" fatal error. Reproduce code: --------------- <?php class A { public $b; } class B { public $a; } $a = new A; $b = new B; $b->a = $a; $a->b = $b; $test = array($a, $b); var_dump(in_array($a, $test)); Expected result: ---------------- bool(true), as in PHP5.1.6 Actual result: -------------- Fatal error: Nesting level too deep - recursive dependency? in [FILENAME] on line 19 ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=39356&edit=1