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<?php class C { static function foo($x = null) {} } $reflMethod = new ReflectionMethod('C', 'foo'); $reflParam = $reflMethod->getParameters()[0]; $serReflParam = serialize($reflParam); $unserReflParam = unserialize($serReflParam); $unserReflParam->isOptional();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Exception: Serialization of 'ReflectionParameter' is not allowed in /in/U5kcQ:10 Stack trace: #0 /in/U5kcQ(10): serialize(Object(ReflectionParameter)) #1 {main} thrown in /in/U5kcQ on line 10
Process exited with code 255.

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