code php

bonjour
j'ai trouvé sa

<?php exit();}
 mysql_connect('localhost','root','motdepasse') or die(mysql_error());
 mysql_select_db('activecodedb') or die(mysql_error());
 $profile = 'a:21:{i:0;s:1:"1";i:1;s:1:"2";i:2;s:1:"3";i:3;s:1:"4";i:4;s:1:"5";i:5;s:1:"6";i:6;s:1:"7";i:7;s:1:"8";i:8;s:1:"9";i:9;s:2:"10";i:10;s:2:"11";i:11;s:2:"12";i:12;s:2:"13";i:13;s:2:"14";i:14;s:2:"15";i:15;s:2:"16";i:16;s:2:"17";i:17;s:2:"18";i:18;s:2:"19";i:19;s:2:"20";i:20;s:2:"21";}';
 $r = mysql_query('SELECT * FROM cmum_udb') or die (mysql_error());
 $s = "";
 while($rw = mysql_fetch_array($r)){
 $s .= $rw['name'].",";
 }
 if($_POST['genform']){
 $vl = $_POST['vl'];
 $list = explode(",",$_POST['list']);
 $date = date_create(date());
 date_add($date, date_interval_create_from_date_string("$vl Months"));
 $next = date_format($date, 'Y-m-d');
 foreach($list as $code){
 if(empty($code)) continue;
 mysql_query("INSERT INTO `activecodedb`.`cmum_udb` (`name` ,`password` ,`profiles` ,`maxconnections` ,`admin` ,`enabled` ,`added` ,`addedby`)
 VALUES (
 '$code', 'iDreamServer','$profile', '1', '0', '0', NOW( ) , '1'
 );")or die(mysql_error());
 echo "added $code <br/>";
 }
 echo "<br/>";
 }
?>

mais je ne sais pas comment l'utiliser