$new_triangle = new Triangle($side1, $side2, $side3);
// $new_triangle->setFirst($firstNum);
// $new_triangle->setSecond($secondNum);
// $new_triangle->setThird($thirdNum);
?>
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.5/css/materialize.min.css">
<title>Triangles</title>
</head>
<body>
<?php
$new_side1 = $new_triangle->getFirst();
$new_side2 = $new_triangle->getSecond();
$new_side3 = $new_triangle->getThird();
if (!$new_side1 || !$new_side2 || !$new_side3) {
echo "<h1>Enter all sides</h1>";
} elseif ($new_side1 + $new_side2 <= $new_side3 || $new_side1 + $new_side3 <= $new_side2 || $new_side2 + $new_side3 <= $new_side1) {
echo "<h2> Not a triangle </h2>";
} elseif ($new_side1 == $new_side2 && $new_side2 == $new_side3) {
echo "<h2> Equilateral </h2>";
} elseif ($new_side1 == $new_side2 || $new_side2 == $new_side3 || $new_side1 == $new_side3) {
echo "<h2> isosceles </h2>";
} elseif ($new_side1 != $new_side2 || $new_side2 != $new_side3 || $new_side1 != $new_side3) {
echo "<h2> Scalene </h2>";
}
?>
<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.5/js/materialize.min.js"></script>
</body>
