3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $foo = 123; } $foo = new Foo(); $serializedFoo = serialize($foo); $unserializedFoo = unserialize($serializedFoo, ['allowed_classes' => Foo::class]); var_dump($serializedFoo, $unserializedFoo);

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37.58 ms | 402 KiB | 5 Q