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<?php $n = new stdClass(); $n->dog = 'cat'; $d = 'dog'; echo $n->$dog;
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $dog in /in/fNPEv on line 6 Warning: Undefined property: stdClass::$ in /in/fNPEv on line 6

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