Untitled


<?php
if(!isset($_POST['username'])|| !isset($_POST['password']))
{
?>
<html>
<head>
<title> Nuovo utente</title>
</head>
<body>
<form method="POST" action"nuovo_utente.php">
Username: <input name="username" type="text"><br>
Password: <input name="password" type="password"><br><br>
<input type="submit" value="Registra utente">
</form>
</body>
</html>
<?php
}
else
{
?>
<html>
<head>
<title>Nuovo utente</title>
</head>
<body>
<?php
$username=$_POST['username'];
$password=$_POST['password'];
if(strlen($username) !=0 && strlen($password) !=0)
{
$password=crypt($password,0);
$connection=@new mysqli("localhost","root","","biblioteca");
$query="SELECT *
FROM utenti
where username='$username'";
$result=@$connection->query($query);
if($connection->errno){
	@ $connection->close();
	die("Errore nell'esecuzione della query");
}
if(@$result->num_rows!=0)
echo"L'utente $username &egrave; gi&agrave; presente nel database.";
else{
$query="INSERT INTO Utenti (username,password,DB_username,DB_password) values('$username','$password','root','')";
$connection->query($query);
echo"L'utente $username &egrave; stato aggiunto al database.";
}
@$result->free();
@$connection->close();
}
else
echo "Username/password non validi.";
?>
</body>
</html>
<?php
}
?>