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<?php function Test() { $a = func_get_args(); if ($a) unset($a); return 'testing'; } echo Test($a = "me"),"\n"; var_dump($a);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
testing string(2) "me"