code: public static function get($item)
      {
          //convert the item requested to upper, just in case.
          $item = strtoupper($item);
  
          //get all config items as an associative array from the JSON file
          $config = json_decode(file_get_contents(dirname(__FILE__) . "/Config.json"), true);
  
          //if the requested config item doesn't exist, throw Twitter\Config\Exceptions\InvalidConfigItemException
          if( !isset($config[$item]) )
          {
              throw new InvalidConfigItemException("Invalid Endpoint Requested!");
          }
  
          //return the requested item
          return $config[$item];
      }
docs: Get an item from the 'Config.json' file.
  
  @param  string $item the config item to get
  @return string       the config URL
  
  @throws InvalidConfigItemException If the requested config item doesn't exist.