Changed login.php so you dont have to use username to log-in anymore only Email and Password

login.php

@@ -4,13 +4,13 @@ require_once 'config.php';
 
 if ($_SERVER["REQUEST_METHOD"] == "POST") {
     // Handle login form submission
-    $username = $_POST['username'];
+    $email = $_POST['email'];
     $password = $_POST['password'];
 
     // Prepare and execute the SQL query using prepared statements
-    $query = "SELECT id, username, password, isAdmin FROM users WHERE username = ?";
+    $query = "SELECT id, username, password, isAdmin FROM users WHERE email = ?";
     $stmt = $mysqli->prepare($query);
-    $stmt->bind_param("s", $username);
+    $stmt->bind_param("s", $email);
     $stmt->execute();
     $stmt->bind_result($user_id, $user_username, $user_password, $user_isAdmin);
 
@@ -20,7 +20,7 @@ if ($_SERVER["REQUEST_METHOD"] == "POST") {
         header('Location: index.php');
         exit();
     } else {
-        echo "Invalid username or password.";
+        echo "Invalid email or password.";
     }
 
     // Close the statement