getCookies() public method

Through the returned cookie collection, you may access a cookie using the following syntax: php $cookie = $request->cookies['name'] if ($cookie !== null) { $value = $cookie->value; } alternatively $value = $request->cookies->getValue('name');
public getCookies ( ) : CookieCollection
return CookieCollection the cookie collection.
 /**
  * 从请求中获取值,包含POST和GET请求域以及通过php://input获取的数据
  * @param $key
  * @param string $value
  * @return string
  */
 protected function get($key, $value = '')
 {
     $params = ArrayHelper::merge($_GET, $_POST);
     if (isset($params[$key])) {
         return $params[$key];
     }
     foreach ($this->request->getBodyParams() as $k => $val) {
         if (!isset($params[$k])) {
             $params[$k] = $val;
         }
     }
     if (isset($params[$key])) {
         return $params[$key];
     }
     if ($this->request->getCookies()->has($key)) {
         return $this->request->getCookies()->getValue($key);
     }
     return $value;
 }