code: public function getRequestChain()
      {
          if (is_null($this->requestChain)) {
              $this->requestChain = $this->getRequestChainFromUri($this->requestedUri);
          }
          return $this->requestChain;
      }
docs: Get the requested route.
  
  Breaks the uri into an array that can be used by the router to determine
  which controller and endpoint should be called.
  
  @return string[]