<?php
echo '<pre>';
print_r($_POST);
if (isset($_POST['btn'])) {
require_once './calculator/student.php';
$obj = new student();
$obj->save_student($_POST);
}
?>
<html>
<head>
<title>Calculator</title>
</head>
<body>
<form action="#" method="POST">
<table align="center" bgcolor="pink">
<tr>
<td>Student Name</td>
<td><input type="text" name="name"></td>
</tr>
<tr>
<td>Student Email Address</td>
<td><input type="email" name="email"></td>
</tr>
<tr>
<td>Student Phone Number</td>
