item.php

См. документацию.

<?
namespace Bitrix\Seo\WebHook\Payload;
 
use Bitrix\Main\ArgumentException;

abstract class Item
{
    protected $data = [
        'source' => null
    ];

    public function __construct(array $data)
    {
        $this->setData($data);
    }

    public function getData()
    {
        return $this->data;
    }

    public function setData(array $data)
    {
        foreach ($data as $key => $value)
        {
            $this->set($key, $value);
        }
 
        return $this;
    }

    public function get($key)
    {
        if (!array_key_exists($key, $this->data))
        {
            throw new ArgumentException("Unknown key `$key`.");
        }
 
        return $this->data[$key];
    }

    public function set($key, $value)
    {
        if (!array_key_exists($key, $this->data))
        {
            throw new ArgumentException("Unknown key `$key`.");
        }
 
        $this->data[$key] = $value;
        return $this;
    }

    public function __call($name, $arguments)
    {
        $method = mb_substr($name, 0, 3);
        if (in_array($method, ['set', 'get']))
        {
            $key = lcfirst(mb_substr($name, 3));
            return call_user_func_array(array($this, $method), array_merge([$key], $arguments));
        }
 
        throw new ArgumentException("Method `$name` not found.");
    }
}