<?php 

// Stuff for db connection
$dbhost = 'xxx';
$dbuser = 'xxx';
$dbpass = 'xxx';
$dbname = 'xxx';

backup_tables($dbhost,$dbuser,$dbpass,$dbname);

/* backup the db OR just a table */
function backup_tables($host,$user,$pass,$name,$tables = '*') {
    $link = mysql_connect($host,$user,$pass);
    mysql_select_db($name,$link);

    //get all of the tables
    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);
    }

    //cycle through
    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));
        $return.= "nn".$row2[1].";nn";

        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";             }         }         $return.="nnn";     }     //save file     //$handle = fopen('db-backup-'.time().'-'.(md5(implode(',',$tables))).'.sql','w+');     //fwrite($handle,$return);     //fclose($handle);     // Or just echo the output     echo $return; } ?>