a)
<?php
$vpnumero = 4;
if ($vpnumero == 0)
{
echo "Maanantai";
echo "<br>";
}
if ($vpnumero == 1)
{
echo "Tiistai";
echo "<br>";
}
if ($vpnumero == 2)
{
echo "Keskiviikko";
echo "<br>";
}
if ($vpnumero == 3)
{
echo "Torstai";
echo "<br>";
}
if ($vpnumero == 4)
{
echo "Perjantai";
echo "<br>";
}
if ($vpnumero == 5)
{
echo "Lauantai";
echo "<br>";
}
if ($vpnumero == 6)
{
echo "Sunnuntai";
echo "<br>";
}
?>
b)
<?php
$v = "4";
switch ($v)
{
case "0":
echo "Maanantai";
break;
case "1":
echo "Tiistai";
break;
case "2":
echo "Keskiviikko";
break;
case "3":
echo "Torstai";
break;
case "4":
echo "Perjantai";
break;
case "5":
echo "Lauantai";
break;
case "6":
echo "Sunnuntai";
break;
default;
echo "Ei löydy";
break;
}
?>