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<?php function create($foo) { $bar = new stdClass; $foo->bar = $bar; $bar->foo = $foo; } gc_collect_cycles(); create(new stdClass()); var_dump(gc_collect_cycles()); // expected '2', actual '2' create((new ArrayObject())->setFlags(ArrayObject::STD_PROP_LIST)); var_dump(gc_collect_cycles()); // expected '2', actual '0'
Output for git.master, git.master_jit, rfc.property-hooks
int(2) Fatal error: Uncaught Error: Attempt to assign property "bar" on null in /in/Vf7Bq:5 Stack trace: #0 /in/Vf7Bq(14): create(NULL) #1 {main} thrown in /in/Vf7Bq on line 5
Process exited with code 255.

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