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<?php class Testme { public static function foo(&$ref) { $ref = 1; } } class Invoker { public static function invoke($func_name, &$arg) { call_user_func_array(array('Testme', $func_name), $arg); } } $test = 2; Invoker::invoke('foo', $test); var_dump($test);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: call_user_func_array(): Argument #2 ($args) must be of type array, int given in /in/v0UMC:10 Stack trace: #0 /in/v0UMC(15): Invoker::invoke('foo', 2) #1 {main} thrown in /in/v0UMC on line 10
Process exited with code 255.

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