getContent(); } public function jsonSerialize(): mixed { return $this->getContent(); } public function serialize() { return serialize($this->content); } public function unserialize($data) { return $this->content = unserialize($data); } /** * (PHP 8.1+) Magic method for serialization. * * @return mixed */ public function __serialize() { return $this->content; } /** * (PHP 8.1+) Magic method for unserialization. * * @param array $data */ public function __unserialize(array $data): void { $this->content = $data; } }