<?php
session_start();
?>
<html>
	<head>
		<title>Registrazione</title>
		<style type="text/css">
		body, table { font-family:Verdana; font-size:11px; }
		td { padding:5px; }
		</style>
	</head>
	<body>
		<?php
		if(isset($_POST['submit']) || isset($_POST['confirm']))
		{
			$username = isset($_POST['username']) ? trim($_POST['username']) : '';
			$password = isset($_POST['password']) ? trim($_POST['password']) : '';
			$email = isset($_POST['email']) ? trim($_POST['email']) : '';
			
			if(isset($_POST['confirm']))
			{
				list($username, $password, $email) = unserialize($_SESSION['data']);
				
				$conn = mysql_connect('localhost', 'root', 'passwd') or die(mysql_error());
				mysql_select_db('various') or die(mysql_error());
				
				mysql_query("INSERT INTO users (username,password,email) VALUES ('{$username}','{$password}','{$email}')") or die(mysql_error());
				
				echo '<h1>Registrazione effettuata</h1>';
				echo '<p>La tua registrazione è stata effettuata correttamente!</p>';
			}
			else
			{
				echo '<h1>Conferma dati</h1>';
				echo '<p>Prima di completare la registrazione sei pregato di confermare i tuoi dati:</p>';
				
				echo "<form name=\"cf\" action=\"{$_SERVER['PHP_SELF']}\" method=\"POST\">";
				echo '<table border="1">';
				
				echo '<tr>';
				echo '<td>Username:</td>';
				echo "<td><b>{$username}</b></td>";
				echo '</tr>';
				
				echo '<tr>';
				echo '<td>Password:</td>';
				echo "<td><b>{$password}</b></td>";
				echo '</tr>';
				
				echo '<tr>';
				echo '<td>E-mail:</td>';
				echo "<td><b>{$email}</b></td>";
				echo '</tr>';
				
				echo '<tr>';
				echo '<td><input type="submit" name="confirm" value="Conferma" /></td>';
				echo '<td><input type="button" name="gb" value="Torna indietro" onclick="javascript:history.go(-1);" /></td>';
				echo '</tr>';
				
				echo '</table>';
				echo '</form>';
				
				$_SESSION['data'] = serialize(array($username, $password, $email));
			}
		}
		else
		{
			echo '<h1>Registrazione</h1>';
			echo '<p>Compila questo modulo per effettuare la registrazione:</p>';
			
			echo "<form name=\"register\" action=\"{$_SERVER['PHP_SELF']}\" method=\"POST\">";
			echo '<table border="1">';
			
			echo '<tr>';
			echo '<td>Username:</td>';
			echo '<td><input type="text" name="username" /></td>';
			echo '</tr>';
			
			echo '<tr>';
			echo '<td>Password:</td>';
			echo '<td><input type="password" name="password" /></td>';
			echo '</tr>';
			
			echo '<tr>';
			echo '<td>E-mail:</td>';
			echo '<td><input type="text" name="email" /></td>';
			echo '</tr>';
			
			echo '<tr>';
			echo '<td><input type="submit" name="submit" value="Registrati" /></td>';
			echo '<td><input type="reset" name="reset" value="Resetta" /></td>';
			echo '</tr>';
			
			echo '</table>';
			echo '</form>';
		}
		?>
	</body>
</html>