Untitled

<html xmlns="http://www.w3.org/1999/xhtml" lang="nl">
<head>
<title>XLL computer winkel</title>
</head>
<body>
<h3>php lab 06</h3>
<h4>Reiskosten</h4>

<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST">
<p>Vertrek:
<select name="vertrek" value="true">
<option value="1" id="1">Amsterdam</option>
<option value="2" id="2">Utrecht</option>
<option value="3" id="3">Den Haag</option>
<option value="4" id="4">Rotterdam</option>
</select>
Bestemming:
<select name="bestemming" value="true">
<option value="1" id="1">Amsterdam</option>
<option value="2" id="2">Utrecht</option>
<option value="3" id="3">Den Haag</option>
<option value="4" id="4">Rotterdam</option>
</select>
</p>
<p><input type="submit" name="submit" value="Berekenen"></p>
<p>------------------------------------------------</p>
</form>
<?php
function reiskosten($vertrek, $bestemming)
{
    $reiskosten = array();
    $reiskosten[1] = array();
    $reiskosten[2] = array();
    $reiskosten[3] = array();
    $reiskosten[4] = array();

    $reiskosten[1][1] = 0;
    $reiskosten[1][2] = 30;
    $reiskosten[1][3] = 60;
    $reiskosten[1][4] = 90;

    $reiskosten[2][1] = 30;
    $reiskosten[2][2] = 0;
    $reiskosten[2][3] = 40;
    $reiskosten[2][4] = 20;

    $reiskosten[3][1] = 60;
    $reiskosten[3][2] = 40;
    $reiskosten[3][3] = 0;
    $reiskosten[3][4] = 10;

    $reiskosten[4][1] = 90;
    $reiskosten[4][2] = 20;
    $reiskosten[4][3] = 10;
    $reiskosten[4][4] = 0;

    echo "De berekende reiskosten: " . ($reiskosten[$vertrek][$bestemming] . " Euro's ");
}
function hasFormData()
    {
    return false;
    }
    if (hasFormData())
    {
    reiskosten(1, 2);
    }

?>
</body>
</html>