code: public static function unserializeLog($str)
      {
          $strStart = 'START DEBUG';
          $strEnd = 'END DEBUG';
          if (\preg_match('/'.$strStart.'[\r\n]+(.+)[\r\n]+'.$strEnd.'/s', $str, $matches)) {
              $str = $matches[1];
          }
          $str = self::isBase64Encoded($str)
              ? \base64_decode($str)
              : false;
          if ($str && \function_exists('gzinflate')) {
              $strInflated = \gzinflate($str);
              if ($strInflated) {
                  $str = $strInflated;
              }
          }
          $data = \unserialize($str);
          return $data;
      }
docs: Use to unserialize the log serialized by emailLog
  
  @param string $str serialized log data
  
  @return array | false