Ok, her er det så osse lavet det i en tabel:
<?php
$form_sendt = false;
if (isset($_POST['submit'])) {
$form_sendt = true;
if (empty($_POST['kg'])) {
$out = "<p style='color:red'>Du skal udfylde kg!</p>\n";
$out .= "<p><input style='background-color:#99FFFF;margin-left: 20px;' type='button' value='Tilbage' onClick='history.back()'></p>";
} else {
$out = "<table><thead><tr><th>Genstande</th><th>Promille</th></tr></thead><tbody>\n";
$kg = (float) str_replace(',','.',$_POST['kg']);
$genstande = 0;
$promille = 0;
while ($promille<5) {
$genstande++;
$promille = number_format((12*$genstande)/($kg*$_POST['sex']),2,',','.');
$out .= "<tr><td>$genstande</td><td>$promille</td><tr>\n";
}
$out .= "</tbody></table>\n";
}
}
?>
<html>
<head>
<title>Promiller</title>
<style type="text/css">
table {
border-collapse: collapse;
}
th {
border: thin solid blue;
padding: 1px 5px 1px 5px;
}
td{
border: thin solid red;
text-align: right;
}
</style>
</head>
<body>
<form action="" method="post">
<p>Vægt: <input type="text" name="kg" size="5" /> kg.</p>
<p><label for="sex">Køn</label>
<select name="sex" id="sex">
<option value="0.68" checked="checked" /> Mand </option>
<option value="0.55" /> Kvinde </option>
</select>
</p>
<p><input type="submit" name="submit" value="Send" /></p>
</form>
<?php
if ($form_sendt === true) echo $out;?>
</body>
</html>
