ShikiryuRSS/src/Entity/Channel/Cloud.php

<?php

namespace Shikiryu\SRSS\Entity\Channel;

use Shikiryu\SRSS\Entity\SRSSElement;
use Shikiryu\SRSS\Validator\HasValidator;
use Shikiryu\SRSS\Validator\Validator;

class Cloud extends HasValidator implements SRSSElement
{
    /**
     * @string
     */
    public string $domain;
    /**
     * @int
     */
    public int $port;
    /**
     * @string
     */
    public string $path;
    /**
     * @string
     */
    public string $registerProcedure;
    /**
     * @string
     */
    public string $protocol;

 //<cloud domain="rpc.sys.com" port="80" path="/RPC2" registerProcedure="myCloud.rssPleaseNotify" protocol="xml-rpc" />

    public function isValid(): bool
    {
        try {
            return (new Validator())->isObjectValid($this);
        } catch (\ReflectionException $e) {
            return false;
        }
    }

    public function toArray(): array
    {
        return get_object_vars($this);
    }
}