#http\Cookie http\Cookie::addCookie(string $cookie_name, string $cookie_value)

Add a cookie. See http\Cookie::setCookie() and http\Cookie::addCookies().

Params:#

• string $cookie_name#
  The key of the cookie.
• string $cookie_value#
  The value of the cookie.

Returns:#

• http\Cookie, self.

Throws:#

• http\Exception\InvalidArgumentException