original_string: protected function getCachedUrlFileName($url, &$urlList)
      {
          $key = $this->getUrlListCacheKey();
          $urlList = Cache::get($key, false);
  
          if ($urlList
              && ($urlList = @unserialize(@base64_decode($urlList)))
              && is_array($urlList)
              && array_key_exists($url, $urlList)
          ) {
              return $urlList[$url];
          }
  
          return null;
      }
code: protected function getCachedUrlFileName($url, &$urlList)
      {
          $key = $this->getUrlListCacheKey();
          $urlList = Cache::get($key, false);
  
          if ($urlList
              && ($urlList = @unserialize(@base64_decode($urlList)))
              && is_array($urlList)
              && array_key_exists($url, $urlList)
          ) {
              return $urlList[$url];
          }
  
          return null;
      }
code_tokens: protected function getCachedUrlFileName ( $ url , & $ urlList ) { $ key = $ this -> getUrlListCacheKey ( ) ; $ urlList = Cache :: get ( $ key , false ) ; if ( $ urlList && ( $ urlList = @ unserialize ( @ base64_decode ( $ urlList ) ) ) && is_array ( $ urlList ) && array_key_exists ( $ url , $ urlList ) ) { return $ urlList [ $ url ] ; } return null ; }
docstring: Tries to load a page file name corresponding to a specified URL from the cache.
  @param string $url Specifies the requested URL.
  @param array &$urlList The URL list loaded from the cache
  @return mixed Returns the page file name if the URL exists in the cache. Otherwise returns null.
docstring_tokens: Tries to load a page file name corresponding to a specified URL from the cache .