and they will leak and cause failures unless gc is enabled
@ -1,5 +1,7 @@
--TEST--
Bug #63055 (Segfault in zend_gc with SF2 testsuite)
--INI--
zend.enable_gc=1
--FILE--
<?php
/* the default gc root size is 10,000 */
Bug #64896 (Segfault with gc_collect_cycles using unserialize on certain objects)
$bar = NULL;
Constant arrays
Testing each() with recursion
Creating recursive array on foreach using same variable
GC 032: Crash in GC because of invalid reference counting
$a = array();
Dereferencing expression parentheses