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<?php function dummy (&$refparam) { var_dump($refparam); } $a = "value"; call_user_func_array("dummy", array($a)); call_user_func_array("dummy", array(&$a));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: dummy(): Argument #1 ($refparam) must be passed by reference, value given in /in/X5hXv on line 9 string(5) "value" string(5) "value"

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