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<?php class A { private $p; } $a1 = new A(); $a2 = $a1; print_r($a1); unset($a1); print_r($a1);
Output for git.master, git.master_jit, rfc.property-hooks
A Object ( [p:A:private] => ) Warning: Undefined variable $a1 in /in/dTKPQ on line 20

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