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<?php class A {} $a = new A(); $b = new A(); $a->m = $b; var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property A::$m is deprecated in /in/jRPi8 on line 8 object(A)#1 (1) { ["m"]=> object(A)#2 (0) { } }

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