Bug #66172 [Opn]: Garbage collector won't collect circullar dependecy if SPL classes involved

Edit report at https://bugs.php.net/bug.php?id=66172&edit=1 ID: 66172 User updated by: aleksey at roave dot com Reported by: aleksey at roave dot com Summary: Garbage collector won't collect circullar dependecy if SPL classes involved Status: Open Type: Bug Package: Scripting Engine problem Operating System: Any PHP Version: 5.5.6 Block user comment: N Private report: N New Comment: Sorry, linked wrong test run http://3v4l.org/21Tdf Previous Comments: ------------------------------------------------------------------------ [2013-11-26 03:07:15] aleksey at roave dot com Description: ------------ This affects all versions with gc, 5.3 to 5.5 Tried script on http://3v4l.org/KmGDj I can't tell what happens internally, but it looks like garbage collector will not detect and collect circular dependencies if there are SPL classes involved (i suspect other built-in classes are affected too) Test script: --------------- https://gist.github.com/Xerkus/7562464/raw/f6d0ff3f1fbc24a3a3ca99ac974571748103ab51/test.php Expected result: ---------------- Memory stays at about the same level Actual result: -------------- Used memory grows constantly ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=66172&edit=1