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<?php Class A { public function __call($method, $args){ $test = & current($args); call_user_func_array([$this, 'test'], $args); } protected function test(&$data) { $data = "done"; } } $data = 42; $a = new A(); $a->test($data); var_dump($data); die();
Output for git.master, git.master_jit, rfc.property-hooks
Notice: Only variables should be assigned by reference in /in/tDP0l on line 7 Warning: A::test(): Argument #1 ($data) must be passed by reference, value given in /in/tDP0l on line 8 int(42)

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