<?php
$user='user';
$password='pass';
$database='database';
$link=mysql_connect('localhost',$user,$password);
$db=mysql_select_db($database);
$query="SELECT нещо FROM таблица ORDER BY id DESC limit 0,5";
$result=mysql_query($query, $link);
while ($row=mysql_fetch_row($result)) {
echo"$row[0] <br />";
}
?>