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<?php #[Attribute(Attribute::TARGET_PROPERTY)] class NotSerializable {} class Foo { #[NotSerializable] protected $bar = 1; #[NotSerializable] protected $baz = 2; public function __serialize(): array { $data = []; foreach ((new ReflectionObject($this))->getProperties() as $property) { if ($property->getAttributes(NotSerializable::class)) { continue; } $data[$property->getName()] = $property->getValue($this); } return $data; } } class FooChild extends Foo { protected $bar; } var_dump(serialize(new FooChild()));
Output for git.master_jit, git.master, rfc.property-hooks
string(31) "O:8:"FooChild":1:{s:3:"bar";N;}"

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