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<?php class C { static function foo($x = null) {} } $reflMethod = new ReflectionMethod('C', 'foo'); $reflParam = $reflMethod->getParameters()[0]; serialize($reflParam); $obj = (object)['refl' => $reflMethod]; $serObj = serialize($obj); $unserObj = unserialize($serObj); $serReflMethod = serialize($reflMethod); $unserReflMethod = unserialize($serReflMethod);

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