lithium\storage\cache\strategy\Json::write PHP Метод

Encodes the passed data from an array to JSON format.

См. ссылку: PHP Manual: json_encode()

public write ( mixed $data ) : string
$data	mixed	The data to be encoded.
Результат	string	The encoded data.

    public function write($data)
    {
        return json_encode($data);
    }

Json