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<?php class ReadonlyUnserialize { public function __construct(public readonly string $value) {} public function __unserialize(array $names): void { $this->value = 'set on unserialize'; } } $obj = new ReadonlyUnserialize('test'); $serialized = serialize($obj); $unserialized = unserialize($serialized); print $unserialized->value;
Output for 8.2.31 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
set on unserialize

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55.34 ms | 755 KiB | 4 Q