<?php
$dbhost = 'localhost';
$dbuser = 'user';
$dbpass = 'pass';
$dbname = 'database';
system("tar cjf /home/user/backup/dump-".date("Y-m-d-H-i-s").".tar.bz2 /home/user/www;mysqldump --opt -h $dbhost -u $dbuser -p $dbpass $dbname | gzip > sqldump".date("Y-m-d-H-i-s").".gz");
?>