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<?php function g($name, array $vars) { if (!array_key_exists($vars, $name)) { trigger_error('ss', E_USER_NOTICE); } return $name; } function f(&$v) { $v = 5; } $foo = null; $name = 'foo'; call_user_func_array('f', array(&${g($name, get_defined_vars())})); var_dump($foo);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, string given in /in/Ff9r1:3 Stack trace: #0 /in/Ff9r1(16): g('foo', Array) #1 {main} thrown in /in/Ff9r1 on line 3
Process exited with code 255.

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