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<?php declare(strict_types=1); class Foo { protected $foo = 123; } class Bar {} $foo = new Foo(); $serializedFoo = serialize($foo); $unserializedFoo = unserialize($serializedFoo, ['allowed_classes' => [Bar::class]]); var_dump($serializedFoo, $unserializedFoo);
Output for git.master, git.master_jit, rfc.property-hooks
string(33) "O:3:"Foo":1:{s:6:"*foo";i:123;}" object(__PHP_Incomplete_Class)#2 (2) { ["__PHP_Incomplete_Class_Name"]=> string(3) "Foo" ["foo":protected]=> int(123) }

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