<?php
session_start();

$dbhost= "host";
$dbname= "database name";
$dbpass= "database password";
$dbuser= "user"
mysql_connect($dbhost, $dbuser, $dbpass) or die(Oops, something went wrong: " . mysql_error());
mysql_select_db($dbname) or die(Is everying good with your DB username?: ". mysql_error());

session_destroy();

?>