original_string: protected function getFiles()
      {
          if (!$this->files) {
              $files = array();
              if ($this->batch) {
                  $files = $this->batch->getSessionVariable('files');
              } else {
                  $files = $this->_session->files;
              }
              if (!is_array($files)) {
                  $files = array();
              }
              $this->files = $files;
          }
          return $this->files;
      }
code: protected function getFiles()
      {
          if (!$this->files) {
              $files = array();
              if ($this->batch) {
                  $files = $this->batch->getSessionVariable('files');
              } else {
                  $files = $this->_session->files;
              }
              if (!is_array($files)) {
                  $files = array();
              }
              $this->files = $files;
          }
          return $this->files;
      }
code_tokens: protected function getFiles ( ) { if ( ! $ this -> files ) { $ files = array ( ) ; if ( $ this -> batch ) { $ files = $ this -> batch -> getSessionVariable ( 'files' ) ; } else { $ files = $ this -> _session -> files ; } if ( ! is_array ( $ files ) ) { $ files = array ( ) ; } $ this -> files = $ files ; } return $ this -> files ; }
docstring: Returns the files array. It might be stored in the batch session or normal session.
  @return array Files array
docstring_tokens: Returns the files array . It might be stored in the batch session or normal session .