<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>BMI Calculator</title>
</head>
<head>
<title>BMI Calculator </title>
</head>
<body>
<h1>BMI Calculator</h1>
<form method="post">
<label for="feet">Height (feet):</label>
<input type="number" name="feet" placeholder="ex: 5" required>
<label for="inches">Height (inches):</label>
<input type="number" name="inches" placeholder="ex: 9" required>
<br><br>
<label for="weight">Weight (pounds):</label>
<input type="number" step="0.1" name="weight" placeholder="ex: 160" required>
<br><br>
<input type="submit" name="calculate" value="Calculate BMI">
</form>
<?php
include("includes/header.php");
if (isset($_POST['calculate'])) {
// Get user input
$feet = $_POST['feet'];
$inches = $_POST['inches'];
$weight = $_POST['weight'];
// mth for height to inches
$height_inches = ($feet * 12) + $inches;
// math to convert
if ($height_inches > 0 && $weight > 0) {
$bmi = ($weight / ($height_inches * $height_inches)) * 703;
echo "<h2>Your BMI: " . number_format($bmi, 2) . "</h2>";
} else {
echo "<h2>Please enter valid height and weight.</h2>";
}
}
include("includes/footer.php");
?>
</body>
</html>