Spil kode

Kode 

.....
.....

$query = mysql_query("SELECT * FROM users WHERE username LIKE '$username'") or die(mysql_error());
$data = mysql_fetch_assoc($query);
$pengeUptjent = $data['penge'];
$køb = $pengeUptjent - $våben;

if($køb < 0)
{
 print "Du har ikke penge nok";
}
else
{
 mysql_query ("UPDATE users set penge=penge-$vaben where username = '$username'") or die(mysql_error());
}
...
...

Kode 

<?php
if (isset($_POST['vaaben']))
{
$vaben = $_POST['vaaben'];
}
?>

<form action="kob.php" method="post">
    Ynglingsfilm: <br>
        <input type="radio" name="vaaben" value="100"> Kniv		<br>
        <input type="radio" name="vaaben" value="500"> Pistol <br>
        <input type="radio" name="vaaben" value="1000"> Ak 47<br>
    <input type="submit" value=" ok ">
</form>
<?php 
// Connects to your Database 
include ("connect.php");


//checks cookies to make sure they are logged in 
if(isset($_COOKIE['ID_my_site'])) 
{ 


$username = $_COOKIE['ID_my_site']; 
$res = mysql_query ("select * from users where username = '$username'") or die(mysql_error());

	$row = mysql_fetch_array($res);

if($vaben > $row["penge"]){

echo "Du har sku ikke nok penge min ven :)";

}else{

	mysql_query ("UPDATE users set penge=penge-$vaben where username = '$username'") or die(mysql_error());
		mysql_query ("UPDATE users set styrke=styrke+$vaben where username = '$username'") or die(mysql_error());



}
}