<?php
$user = $_POST["user"];
$acc1 = $_POST["daniel"];
$acc2 = $_POST["tim"];
$acc3 = $_POST["alex"};
$acc4 = $_POST["juve"];
$acc5 = $_POST["tobi"];
?>
<?php
elseif($user=="andy")
   {
   echo "Hallo andy";
    }
elseif ($acc1=="Daniel")
{
    echo "hallo Daniel";
}
elseif ($acc2=="tim")
{
    echo "Hallo Tim";
}
elseif ($acc3=="alex")
{
    echo "Hallo Alex";
}
elseif ($acc4=="juve")
{
    echo "hallo Juve";
}
elseif ($acc5=="tobi")
{
    echo "Du nerd alter!";
}
else
{
    echo "Du hast keinen zugriff!";
}
?>