<?php
$servername = "localhost";
$username = "progettotl";
$password = "";
$db = "my_progettotl";
$user = $_POST['userl'];
$pw = $_POST['passwordl'];
// Create connection
$conn = new mysqli($servername, $username, $password,$db);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

$sql = "SELECT nome FROM `login` where username = '$user' and password = '$pw'";
$result = $conn->query($sql);

while($row = $result->fetch_assoc()) {
        $asdasd =$row["nome"];
}
if ($asdasd != "") {
   session_start();
	$_SESSION["asd"] = "$asdasd";
	header("Location: http://progettotl.altervista.org");

} else {
    echo "0 results";
}
$conn->close();
?>