DataSift_Historic::getHash PHP Method

    public function getHash()
    {
        if ($this->_playback_id === false) {
            $this->prepare();
        }
        return $this->_playback_id;
    }

 /**
  * Displays details of a Historics query.
  *
  * @param DataSift_Historic $hist A DataSift Historics object
  */
 public function displayHistoricDetails($hist)
 {
     echo 'Playback ID: ' . $hist->getHash() . PHP_EOL;
     echo 'Stream hash: ' . $hist->getStreamHash() . PHP_EOL;
     echo 'Name:        ' . $hist->getName() . PHP_EOL;
     echo 'Start time:  ' . date('r', $hist->getStartDate()) . PHP_EOL;
     echo 'End time:    ' . date('r', $hist->getEndDate()) . PHP_EOL;
     $sources = $hist->getSources();
     echo 'Source' . (count($sources) == 1 ? ': ' : 's:') . '     ' . implode(', ', $sources) . PHP_EOL;
     echo 'Sample:      ' . $hist->getSample() . PHP_EOL;
     echo 'Created at:  ' . (is_null($hist->getCreatedAt()) ? 'null' : date('r', $hist->getCreatedAt())) . PHP_EOL;
     echo 'Status:      ' . $hist->getStatus() . PHP_EOL;
 }