Database conn, users in progress

login.php

@@ -0,0 +1,29 @@
+<?php
+session_start();
+require_once 'db.php';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $email = trim($_POST['email']);
+    $password = $_POST['password'];
+
+    $conn = getConnection();
+    $stmt = $conn->prepare("SELECT id, username, password FROM Users WHERE email = ?");
+    $stmt->execute([$email]);
+    $user = $stmt->fetch();
+
+    if ($user && password_verify($password, $user['password'])) {
+        $_SESSION['user_id'] = $user['id'];
+        $_SESSION['username'] = $user['username'];
+        header('Location: home.php');
+        exit;
+    } else {
+        echo "Invalid credentials.";
+    }
+}
+?>
+
+<form method="POST">
+    <input type="email" name="email" placeholder="Email" required>
+    <input type="password" name="password" placeholder="Password" required>
+    <button type="submit">Login</button>
+</form>