eventespresso / event-espresso-core

                    //let's see if we can get that file... if not its possible this is a decaf route not set in caffienated so lets try and get the caffeinated equivalent

                    $file_path = ! is_readable($file_path) ? EE_ADMIN_PAGES . basename($this->_get_dir()) . '/help_tours/' . $tour . '.class.php' : $file_path;

                    //if file is STILL not readable then let's do a EE_Error so its more graceful than a fatal error.

                    if ( ! is_readable($file_path)) {

                        EE_Error::add_error(sprintf(__('The file path given for the help tour (%s) is not a valid path.  Please check that the string you set for the help tour on this route (%s) is the correct spelling', 'event_espresso'),

                                $file_path, $tour), __FILE__, __FUNCTION__, __LINE__);

                        return;

                    }

                    require_once $file_path;

                    if ( ! class_exists($tour)) {

                        $error_msg[] = sprintf(__('Something went wrong with loading the %s Help Tour Class.', 'event_espresso'), $tour);

                     EE_Session::hash_check_prefix . $this->_sid,

                     false

                 );

                 if ($hash_check && $hash_check !== md5($session_data)) {

	                 EE_Error::add_error(

                         sprintf(

                             __(

                                 'The stored data for session %1$s failed to pass a hash check and therefore appears to be invalid.',

                                 'event_espresso'

                             ),

                             EE_Session::session_id_prefix . $this->_sid

                         ),

                         __FILE__, __FUNCTION__, __LINE__

                     );

                 }