feedback enabled with data going to database

contactus.php

@@ -16,7 +16,7 @@
                 <div class="card-body">
                     <h3 class="text-2xl font-bold text-center mb-4">Please provide the feedback about your problem</h3>
                     
-                    <form class="space-y-4">
+                    <form class="space-y-4" method="POST" action="uploadfeedback.php" >
                         <div class="form-control">
                             <label class="label">
                                 <span class="label-text">Your Name</span>
@@ -39,7 +39,7 @@
                         </div>
 
                         <div class="form-control mt-6">
-                            <button class="btn btn-primary">Send Message</button>
+                            <button class="btn btn-primary" name="submit" >Send Message</button>
                         </div>
                     </form>
                 </div>

uploadfeedback.php

@@ -0,0 +1,34 @@
+<?php
+session_start();
+include 'connect.php';
+
+if(!isset($_SESSION['email'])){
+    header("Location: login");
+    exit();
+}
+$user_id = $_SESSION['user_id']; 
+
+if(isset($_POST['submit'])){
+    $username = trim($_POST['name']);
+    $email = trim($_POST['email']);
+    $feedback = trim($_POST['message']);
+
+
+    $stmt = $conn->prepare(
+        "INSERT INTO feedback (user_id,name,email,feedback) 
+         VALUES (?, ?, ?, ?)"
+    );
+    $stmt->bind_param(
+        "isss",
+        $user_id,
+        $username,
+        $email,
+        $feedback
+
+    );
+    $stmt -> execute();
+    echo "<script>alert('feedback posted successfully!'); window.location.href = 'index';</script>";
+    exit;
+}
+
+?>