/**
* convertTemperature
* Convert Temperature
* @param $temperature
* @param $type
*/
function convertTemperature($temperature, $type = "FtoC")
{
switch ($type) {
case 'CtoF':
$result = convertCtoF($temperature);
break;
case 'FtoC':
default:
$result = convertFtoC($temperature);
}
return $result;
}
<?php
require_once "exercise11b.php";
$answer = '';
if ($_POST['FtoC']) {
$answer = convertFtoC((double) $_POST['temperature']);
} elseif ($_POST['CtoF']) {
$answer = convertCtoF((double) $_POST['temperature']);
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Convert Temperature</title>
</head>
<body>
<form action="exercise11a.php" method="post">
<fieldset>
<legend>Fahrenheit/Celsius Converter</legend>
<p><label for="temperature">Temperature</label>
<input type="text" name="temperature" id="temperature" size="6" />
</p>
<p><input type="submit" name="FtoC" value="Fahrenheit to Celsius" /></p>
<p><input type="submit" name="CtoF" value="Celsius to Fahrenheit" /></p>
</fieldset>
</form>
<p><?php
