[mysql] fout

<?php 
$sql = "UPDATE ".$prefix."_users SET ftp='2' WHERE username='$_GET['username']'";
mysql_query($sql) or die (mysql_error()); 
?> 

<?php 
$sql = "UPDATE ".$prefix."_users SET ftp='2' WHERE username='$_GET['username']'";
mysql_query($sql) or die (mysql_error()); 
?>

<?php 
... WHERE username=' . $_GET['username'] . '";
?>

<?php 
... WHERE username=' . $_GET['username'] . '";
?>

<?php
$sql = "UPDATE " . $prefix . "_users
        SET ftp = 2
        WHERE username = '" . mysql_real_escape_string($_GET['username']) . "'";

<?php
$sql = "UPDATE " . $prefix . "_users
        SET ftp = 2
        WHERE username = '" . mysql_real_escape_string($_GET['username']) . "'";

Grote lappen code graag posten op plaatscode.be en de link ernaartoe hier neerzetten

Grote lappen code graag posten op plaatscode.be en de link ernaartoe hier neerzetten