<?

if(isset($_GET[\'id\'])){
$id = abs((int)$_GET[\'id\']);
$info = mysql_query(\"SELECT * FROM `users` WHERE id=\'\".$id.\"\'\" or die(mysql_error());
$row_info = mysql_fetch_array($info);
}
echo \'\'.$row_info[\'nick\'].\'\'; // Ник
?>