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<?php
session_start();
if (isset($_POST['submit'])) {
    $gender = $_POST['gender'];
    $age = $_POST['age'];
    $length = $_POST['length'];
    $weight = $_POST['weight'];
    $bmi = calculateBMI($length, $weight);
    $type = calculateType($bmi);

    include 'db.php';
    echo addResult($gender, $age, $length, $weight, $bmi, $type);
    $_SESSION['bmi'] = $bmi;
    $_SESSION['type'] = $type;
    $_SESSION['gender'] = $gender;
    $_SESSION['age'] = $age;
    $_SESSION['length'] = $length;
    $_SESSION['weight'] = $weight;

    header('Location: index.php');
}
header('Location: index.php');
function calculateBMI($length, $weight)
{
    $bmi = round(($weight / ($length * $length)) * 10000, 1);
    return $bmi;
}

function calculateType($bmi)
{
    $height_data_male = array(
        "ondergewicht" => array(0, 18.9),
        "gezond" => array(19, 24.9),
        "overgewicht" => array(25, 29.9),
    );

    $type = "unset";

    // Iterate through the array to find the correct range
    foreach ($height_data_male as $category => $range) {
        // Check if the BMI falls within the range
        if ($bmi >= $range[0] && $bmi <= $range[1]) {
            // If it does, assign the category to $type
            $type = $category;
            break; // Exit the loop once a match is found
        }
    }


    return $type;
}

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