logout

php/logout.php

+<?php
+session_start();
+
+if( $_GET['logout'] == 'logout')
+{
+    session_unset();
+    session_destroy();
+    header("location: ../index.php");
+}
+?>
\ No newline at end of file

views/index.html

@@ -45,6 +45,9 @@
         <input class='btn btn-success'type="submit" name="submit" value="submit">
     </form>
     <br> <br>
+    <form class='btn btn-success' method="GET" action="php/logout.php">
+        <input type = 'submit' name =' logout' value = 'logout'>
+    </form>
     {%  if login is not null %}
         <h3 style="text-align:center;"> Incorrect username and password, please try again!</h3>
     {% endif %}

views/view.html

@@ -104,6 +104,7 @@
     {% else %}
     <h2 style="text-align: center; margin-top:80px"> Please log in </h2>
     {% endif %}
+    
 
 
     <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"