<?php

  // create folder
  $backupfile = 'dest_folder_name/file_name_' . date("Y-m-d") . '.tar.gz';
  system("tar -czf $backupfile src_folder");

  // database backup

  $dbhost = "localhost"; // usually localhost
  $dbuser = "user_name";
  $dbpass = "password";
  $dbname = "database_name";

  $backupfile2 = 'dest_name/'.$dbname . date("Y-m-d") . '.sql';
  system("mysqldump -h $dbhost -u $dbuser -p$dbpass $dbname > $backupfile2");

  echo "done";

?>