Something

  function scsi () {
    $results = array();
    $dev_vendor = '';
    $dev_model = '';
    $dev_rev = '';
    $dev_type = '';
    $s = 1;
    $get_type = 0;

    $bufr = execute_program('lsscsi', '-c', false);
    if( $bufr == "ERROR" ) {
    	$bufr = rfts( '/proc/scsi/scsi', 0, 4096, false);
    }
    if ( $bufr != "ERROR" ) {
      $bufe = explode("\n", $bufr);
      foreach( $bufe as $buf ) {
        if (preg_match('/Vendor/', $buf)) {
          preg_match('/Vendor: (.*) Model: (.*) Rev: (.*)/i', $buf, $dev);
          list($key, $value) = split(': ', $buf, 2);
          $dev_str = $value;
          $get_type = true;
          continue;
        } 

        if ($get_type) {
          preg_match('/Type:\s+(\S+)/i', $buf, $dev_type);
          $results[$s]['model'] = "$dev[1] $dev[2] ($dev_type[1])";
          $results[$s]['media'] = "Hard Disk";
          $s++;
          $get_type = false;
        } 
      } 
    } 
    asort($results);
    return $results;
  }