<html>
<form method="get">
Primo lato: <input type="text" name="x"/>
Secondo lato: <input type="text" name="y"/>
Terzo lato: <input type="text" name="z"/>
<input type="submit" value="calcola"/>
</form>
</html>
<?php
include "classiClassificaTriangoli.php";
if (isset($_GET["x"]) and isset($_GET["y"]) and isset($_GET["z"])) {
$x = $_GET["x"];
$y = $_GET["y"];
$z = $_GET["z"];
$calc = new Calcoli($x, $y, $z);
$calc->Classifica();
}
<option value="precSucc">Precedente e successivo</option>
<option value="media">Media</option>
<option value="calcolatrice">Calcolatrice</option>
<option value="areaQuadrato">Area quadrato</option>
<option value="areaCerchio">Area cerchio</option>
<option value="areaTriangolo">Area triangolo equilatero</option>
<option value="Mese">Nome del mese</option>
</select>
<input type="submit" value="calcola"/>
</form>
<?php
if (isset($_GET["x"]) and isset($_GET["y"])) {
$azione = $_GET["Calcolo"];
$calc = new Calcoli($_GET["x"], $_GET["y"]);
switch ($azione) {
case "somma":
echo "Somma: " . $calc->somma();
echo "<br />";
break;
case "precSucc":
echo "<b>Primo valore</b> <br />" . $calc->precSucc($x) . "<br />";
echo "<b>Secondo valore</b> <br />" . $calc->precSucc($y);
break;
case "media":
echo "Media: " . $calc->media();
echo "<br />";
break;
case "calcolatrice":
$calc->calcolatrice();
