ผมต้องการให้ไฟล์ที่ backup ฐานข้อมูลมาแล้ว นำชื่อไฟล์บันทึกเขาไปเก็บในฐานข้อมูลนะครับ ช่วยหน่อยครับ

<?
error_reporting(E_ALL);
define("OUTPUT_DIR", 'backup');
define("TABLES", '*');

$backupDatabase = new Backup_Database($hostname, $dbuser, $dbpassword, $dbname);
$status = $backupDatabase->backupTables(TABLES, OUTPUT_DIR) ? 'OK' : 'KO';
echo "

Backup result: ".$status;

class Backup_Database {

    var $hostname = '';
    var $dbuser = '';
    var $dbpassword = '';
    var $dbname = '';
    var $charset = '';

    function Backup_Database($hostname, $dbuser, $dbpassword, $dbname, $charset = 'utf8')
    {
        $this->host     = $hostname;
        $this->username = $dbuser;
        $this->passwd   = $dbpassword;
        $this->dbName   = $dbname;
        $this->charset  = $charset;

        $this->initializeDatabase();
    }

    protected function initializeDatabase()
    {
        $conn = mysql_connect($this->host, $this->username, $this->passwd);
        mysql_select_db($this->dbName, $conn);
        if (! mysql_set_charset ($this->charset, $conn))
        {
            mysql_query('SET NAMES '.$this->charset);
        }
    }

    public function backupTables($tables = '*', $outputDir = '.')
    {
        try
        {

            if($tables == '*')
            {
                $tables = array();
                $result = mysql_query('SHOW TABLES');
                while($row = mysql_fetch_row($result))
                {
                    $tables[] = $row[0];
                }
            }
            else
            {
                $tables = is_array($tables) ? $tables : explode(',',$tables);
            }

            $sql = 'CREATE DATABASE IF NOT EXISTS '.$this->dbName.";\n\n";
            $sql .= 'USE '.$this->dbName.";\n\n";
            foreach($tables as $table)
            {
                echo "Backing up ".$table." table...";

                $result = mysql_query('SELECT * FROM '.$table);
                $numFields = mysql_num_fields($result);

                $sql .= 'DROP TABLE IF EXISTS '.$table.';';
                $row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE '.$table));
                $sql.= "\n\n".$row2[1].";\n\n";

                for ($i = 0; $i < $numFields; $i++) 
                {
                    while($row = mysql_fetch_row($result))
                    {
                        $sql .= 'INSERT INTO '.$table.' VALUES(';
                        for($j=0; $j<$numFields; $j++) 
                        {
                            $row[$j] = addslashes($row[$j]);
                            $row[$j] = ereg_replace("\n","\\n",$row[$j]);
                            if (isset($row[$j]))
                            {
                                $sql .= '"'.$row[$j].'"' ;
                            }
                            else
                            {
                                $sql.= '""';
                            }

                            if ($j < ($numFields-1))
                            {
                                $sql .= ',';
                            }
                        }

                        $sql.= ");\n";
                    }
                }

                $sql.="\n\n\n";

                echo " OK" . "
";
            }
        }
        catch (Exception $e)
        {
            var_dump($e->getMessage());
            return false;
        }

        return $this->saveFile($sql, $outputDir);
    }

    protected function saveFile(&$sql, $outputDir = '.')
    {
        if (!$sql) return false;

        try
        {
            $handle = fopen($outputDir.'/db-backup-'.$this->dbName.'-'.date("Ymd-His", time()).'.sql','w+');
            fwrite($handle, $sql);
            fclose($handle);
        }
        catch (Exception $e)
        {
            var_dump($e->getMessage());
            return false;
        }

        return true;
    }
}

?>