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<?php class Func { public static function __callStatic($name, $arguments) { if (!function_exists($name)) { // include } return call_user_func_array($name, $arguments); } } Func::foo('bar'); Func::{'foo\\bar'}('qux');
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "foo" not found or invalid function name in /in/KEAci:9 Stack trace: #0 /in/KEAci(14): Func::__callStatic('foo', Array) #1 {main} thrown in /in/KEAci on line 9
Process exited with code 255.

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