// Copies cookies from the current environment, for example, XDEBUG_SESSION
// in order to support Xdebug.
// @see BrowserTestBase::initFrontPage()
$cookies = $this->extractCookiesFromRequest(\Drupal::request()); foreach($cookiesas$cookie_name => $values){ foreach($valuesas$value){ $session->setCookie($cookie_name, $value); } }