macieg

<?php

session_start();


?><!doctype html>
<html>
	<head>
		<meta charset="utf-8">
	</head>

	<body>


	<?php
	if (isset($_GET['logout']) && $_GET['logout']==1)
	{
		unset($_SESSION['czy_zalogow']);
		session_destroy();
	}

	if(isset($_POST['login']) && isset($_POST['haslo']))
		{
		$l  = $_POST['login'];
		$h = $_POST['haslo'];

		if($l == "admin" && $h == "tajne")
		{
			$_SESSION['czy_zalogow']=1;
		}
	}


	if(!isset($_SESSION['czy_zalogow']))
	{
		?>

	<form name="f1" method="post" action="wyloguj.php">
		Login: <input type="text" name="login"><br>
		Hasło: <input type="password" name="haslo"><br>
		<input type="submit" value="Zaloguj">
		<?php
	}
	else
	{
		echo "<a href=\"wyloguj.php?logout=1\">Wyloguj!</a>";

	}
	?>
	</body>


</html>