original_string: public function getTrackTitle($trackId)
      {
          $tracks = $this->getAllTracks();
  
          if ($tracks && isset($tracks[$trackId])) {
              return $tracks[$trackId];
          }
      }
code: public function getTrackTitle($trackId)
      {
          $tracks = $this->getAllTracks();
  
          if ($tracks && isset($tracks[$trackId])) {
              return $tracks[$trackId];
          }
      }
code_tokens: public function getTrackTitle ( $ trackId ) { $ tracks = $ this -> getAllTracks ( ) ; if ( $ tracks && isset ( $ tracks [ $ trackId ] ) ) { return $ tracks [ $ trackId ] ; } }
docstring: Returns title of the track.
  
  @param int $trackId
  @return string
docstring_tokens: Returns title of the track .