/**
	Backs up the database tables and saves it to a file
	Taken from the plugin Wordpress Database backup created byAustin Matzko.
	**/
function wpau_backup_db($automated = false)
{
    if (!current_user_can('manage_options')) {
        echo 'Oops sorry you are not authorized to do this';
        return false;
    }
    global $wpAbsPath, $isNix, $theFuncComplete;
    wpauPersistNoLog(false, false, $automated);
    $backupDir = WPAU_BACKUP_DIR;
    $wpauHelper = new wpauHelper();
    $backupFile = WPAU_DB_ZIP . $wpauHelper->random() . '.zip';
    $_SESSION['dbbakname'] = $backupFile;
    unset($wpauHelper);
    require_once 'wpau_db_backup.class.php';
    $wpauDbBackup = new wpauBackup($backupDir);
    if ($wpauDbBackup->perform_backup($automated)) {
        if ($wpauDbBackup->zip_backup($backupFile)) {
            $theFuncComplete = true;
            $message = 'The database has been succesfully backed up. <a href="' . get_bloginfo('wpurl') . '/' . WPAU_BACKUP_DIR . '/' . $_SESSION['dbbakname'] . '">DOWNLOAD IT</a> BEFORE YOU CAN GO AHEAD. <br/>CONTINUE ONLY after verifying that the files have been downloaded<br />';
        } else {
            $theFuncComplete = false;
            $message = 'Could not backup your database files, cannot continue with the further process';
        }
    } else {
        $theFuncComplete = false;
        $message = 'Could not backup your database files, cannot continue with the further process';
    }
    wpauPersist(true, $wpauDbBackup->loggedData, $theFuncComplete, $message, true);
    unset($wpauDbBackup);
    if ($automated) {
        return $theFuncComplete;
    }
}