while(preg_match("\[tab=(.*)\]", $text, $match))
{
  $str='';
  for($i=0;$i<$match[1];$i++)
    $str.='& nbsp;'; //usun spację pomiędzy & a nbsp;
  $text=str_replace($match[0], $str, $text);
}

$text = preg_replace($p, $r, $text);

  //selecting records from comments table
  $zapytanie = "SELECT * FROM $conf[prefix]comments WHERE what='$_GET[what]' && whatid=$_GET[id] ORDER BY id ASC";
  $wykonaj = mysql_query($zapytanie) or mysql_err($mysql_connect);
  // 

  //selecting records from comments table
  $zapytanie = "SELECT * FROM $conf[prefix]comments WHERE what='$_GET[what]' && whatid=$_GET[id] ORDER BY id DESC";
  $wykonaj = mysql_query($zapytanie) or mysql_err($mysql_connect);
  //