httpcookies.php

См. документацию.

<?php

 
namespace Bitrix\Main\Web;
 
use Bitrix\Main\ArgumentTypeException;

class HttpCookies extends \Bitrix\Main\Type\Dictionary
{
    public function __construct(array $values = null)
    {
        if ($values !== null)
        {
            foreach ($values as $key => $value)
            {
                if (!($value instanceof Http\Cookie))
                {
                    $value = new Http\Cookie($key, $value);
                }
                $this[$key] = $value;
            }
        }
    }

    public function implode(): string
    {
        $str = '';
        foreach ($this->values as $cookie)
        {
            $str .= ($str == '' ? '' : '; ') . rawurlencode($cookie->getName()) . '=' . rawurlencode($cookie->getValue());
        }
 
        return $str;
    }
 
    public function addFromString(string $str): void
    {
        if (($pos = strpos($str, ';')) !== false && $pos > 0)
        {
            $cookie = trim(substr($str, 0, $pos));
        }
        else
        {
            $cookie = trim($str);
        }
        $cookies = explode('=', $cookie, 2);
 
        $name = rawurldecode($cookies[0]);
        $value = rawurldecode($cookies[1]);
 
        // TODO: a cookie has more attributes
        $this[$name] = new Http\Cookie($name, $value);
    }
 
    public function toArray()
    {
        $cookies = [];
        foreach ($this->values as $cookie)
        {
            $cookies[$cookie->getName()] = $cookie->getValue();
        }
 
        return $cookies;
    }
 
    #[\ReturnTypeWillChange]
    public function offsetSet($offset, $value)
    {
        if (!($value instanceof Http\Cookie))
        {
            throw new ArgumentTypeException('value', Http\Cookie::class);
        }
        parent::offsetSet($offset, $value);
    }
}