|  |  | 
 |  |  | class Mapper { | 
 |  |  |    private $ttssDate = NULL; | 
 |  |  |    private $ttssTrips = []; | 
 |  |  |    private $ttssVehicleToTrip = []; | 
 |  |  |    private $gtfsrtDate = NULL; | 
 |  |  |    private $gtfsrtTrips = []; | 
 |  |  |    private $logger = NULL; | 
 |  |  | 
 |  |  |          if(!isset($vehicle->latitude) || !$vehicle->latitude) continue; | 
 |  |  |          if(!isset($vehicle->longitude) || !$vehicle->longitude) continue; | 
 |  |  |          list($line, $direction) = explode(' ', $vehicle->name, 2); | 
 |  |  |          foreach($this->specialNames as $specialName) { | 
 |  |  |             if(substr($vehicle->name, -strlen($specialName)) == $specialName) { | 
 |  |  |                continue; | 
 |  |  |             } | 
 |  |  |          } | 
 |  |  |          $this->ttssTrips[(string)$vehicle->tripId] = [ | 
 |  |  |          $trip = [ | 
 |  |  |             'id' => (string)$vehicle->id, | 
 |  |  |             'line' => $line, | 
 |  |  |             'direction' => $direction, | 
 |  |  |             'latitude' => (float)$vehicle->latitude / 3600000.0, | 
 |  |  |             'longitude' => (float)$vehicle->longitude / 3600000.0, | 
 |  |  |          ]; | 
 |  |  |          $this->ttssTrips[(string)$vehicle->tripId] = $trip; | 
 |  |  |          $this->ttssVehicleToTrip[(string)$vehicle->id] = $trip; | 
 |  |  |       } | 
 |  |  |       ksort($this->ttssTrips); | 
 |  |  |    } | 
 |  |  | 
 |  |  |     | 
 |  |  |    public function getTTSSTrips() { | 
 |  |  |       return $this->ttssTrips; | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  |    public function getTTSSVehicleToTrip() { | 
 |  |  |       return $this->ttssVehicleToTrip; | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  |    public function getTTSSTrip($id) { | 
 |  |  |       return $this->ttssTrips[$id] ?? NULL; | 
 |  |  |    } | 
 |  |  | 	 | 
 |  |  |    public function getTTSSVehicleTrip($id) { | 
 |  |  |       return $this->ttssVehicleToTrip[$id] ?? NULL; | 
 |  |  |    } | 
 |  |  |     | 
 |  |  |    public function loadGTFSRT($file) { | 
 |  |  | 
 |  |  |       return $bestOffset; | 
 |  |  |    } | 
 |  |  |     | 
 |  |  |    public function mapUsingOffset($offset) { | 
 |  |  |    public function mapVehicleIdsUsingOffset($offset) { | 
 |  |  |       $result = []; | 
 |  |  |       foreach($this->gtfsrtTrips as $gtfsTripId => $gtfsTrip) { | 
 |  |  |          $ttssTripId = $gtfsTripId + $offset; |