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run code in 300+ PHP versions simultaneously
<?php class A { public $b; } class B { public $a; } $a = new A; $a->b = new B; $a->b->a = $a; var_dump(unserialize(serialize($a)));
Output for git.master, git.master_jit, rfc.property-hooks
object(A)#3 (1) { ["b"]=> object(B)#4 (1) { ["a"]=> *RECURSION* } }

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