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<?php class A { private $b = 'foo'; } class B extends A { public function __sleep() { return array('b'); } } class C extends A implements Serializable { public function unserialize() { /*... */ } public function serialize() { $b = new ReflectionProperty($this, 'b'); $b->setAccessible(true); return serialize(array('b' => $b->getValue($this))); } } var_dump(serialize(new A())); var_dump(serialize(new B())); var_dump(serialize(new C()));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of C::unserialize() must be compatible with Serializable::unserialize(string $data) in /in/GWU3L on line 18
Process exited with code 255.

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