<?php
$dbhost = '127.0.0.1';  // IP oder localhost
$dbuser = 'dbUser';     // Datenbank User
$dbpassword = 'dbPass'; // Passwort
$dbname = 'dbName';     // Datenbank Name
$dumpfile = 'backup_' . $dbname . '_' . date("Y-m-d_H-i-s") . '.sql.gz';  // Name der Sicherungsdatei

echo "Start dump\n";
passthru("mysqldump --user=$dbuser --password=$dbpassword --host=$dbhost $dbname | gzip -c  > $dumpfile");
echo "-- Dump completed -- ";
echo $dumpfile;
?>