process_feedback.php

<?php
include('koneksi.php');

if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['send_feedback'])) {
    $name = $_POST["name"];
    $email = $_POST["email"];
    $subject = $_POST["subject"];
    $message = $_POST["message"];

    // Insert data into the database
    $sql = "INSERT INTO feedback (name, email, subject, message) VALUES (?, ?, ?, ?)";
    $stmt = $koneksi->prepare($sql);

    if ($stmt) {
        $stmt->bind_param("ssss", $name, $email, $subject, $message);
        $stmt->execute();
        $stmt->close();

        // Redirect or display success message
        header("location: feedback.php?success=true");
        exit;
    } else {
        echo "Error preparing statement: " . $koneksi->error;
    }

    // Close the database connection
    $koneksi->close();
}