Jar::before_request( string $url, array $headers, array $data, string $type, array $options )

148	public function before_request($url, &$headers, &$data, &$type, &$options) {149		if (!$url instanceof Iri) {150			$url = new Iri($url);151		}152 153		if (!empty($this->cookies)) {154			$cookies = [];155			foreach ($this->cookies as $key => $cookie) {156				$cookie = $this->normalize_cookie($cookie, $key);157 158				// Skip expired cookies159				if ($cookie->is_expired()) {160					continue;161				}162 163				if ($cookie->domain_matches($url->host)) {164					$cookies[] = $cookie->format_for_header();165				}166			}167 168			$headers['Cookie'] = implode('; ', $cookies);169		}170	}