záloha databáze

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);
    }
    

    foreach($tables as $table)
    {
        $result = mysql_query('SELECT * FROM '.$table);
        $num_fields = mysql_num_fields($result);
        
        $return.= 'DROP TABLE IF EXISTS'.$table.';';
        $row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE '.$table));
        $return.= "\n\n".$row2[1].";\n\n";
        
        for ($i = 0; $i < $num_fields; $i++) 
        {
            while($row = mysql_fetch_row($result))
            {
                $return.= 'INSERT INTO '.$table.' VALUES(';
                for($j=0; $j<$num_fields; $j++) 
                {
                    $row[$j] = addslashes($row[$j]);
                    $row[$j] = ereg_replace("\n","\\n",$row[$j]);
                    if (isset($row[$j])) { $return.= '"'.$row[$j].'"' ; } else { $return.= '""'; }
                    if ($j<($num_fields-1)) { $return.= ','; }
                }
                $return.= ");\n";
            }
        }
        $return.="\n\n\n";

INSERT INTO `ap_access` VALUES('1','1','1','1','1','1');
INSERT INTO `ap_access` VALUES('1','2','1','1','1','1');
INSERT INTO `ap_access` VALUES('1','3','1','1','1','1');
INSERT INTO `ap_access` VALUES('1','4','1','1','1','1');
INSERT INTO `ap_access` VALUES('1','5','1','1','1','1');
INSERT INTO `ap_access` VALUES('1','6','1','1','1','1');
INSERT INTO `ap_access` VALUES('1','7','1','1','1','1');

INSERT INTO `ap_access` VALUES
('1','1','1','1','1','1'),
('1','2','1','1','1','1'),
('1','3','1','1','1','1'),
('1','4','1','1','1','1'),
('1','5','1','1','1','1'),
('1','6','1','1','1','1'),
('1','7','1','1','1','1'),
('1','8','1','1','1','1'),
('1','9','1','1','1','1'),

INSERT INTO `ap_access` VALUES
('1','1','1','1','1','1'),
('1','2','1','1','1','1'),
('1','3','1','1','1','1'), 
atd.
INSERT INTO `ap_access` VALUES
('1','100','1','1','1','1'),
('1','101','1','1','1','1'),
('1','102','1','1','1','1'),
atd.

INSERT INTO `ap_access` VALUES ('1','1','1','1','1','1'),
INSERT INTO `ap_access` VALUES ('1','2','1','1','1','1'),
INSERT INTO `ap_access` VALUES ('1','3','1','1','1','1'), 

INSERT INTO `ap_access` VALUES
('1','1','1','1','1','1'),
('1','2','1','1','1','1'),
('1','3','1','1','1','1'),