<?php session_start(); if (isset($_POST["logout"]) && $_POST["logout"] == 1){ unset($_SESSION["username"]); unset($_SESSION["password"]); unset($_COOKIE["color"]); setcookie("color", "", time() + -1, "/"); session_destroy(); $_POST["logout"] = 0; } else if (isset($_SESSION["username"]) && isset($_SESSION["password"])){ header("Location: main.php"); } ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <form action="redirected.php" method="POST"> Név: <input type="text" name="username"> <br> Jelszó: <input type="password" name="password"> <br> Szín: <input type="color" name="color" id=""> <br> <button type="submit">Bejelentkezés</button> </form> </body> </html>