//init connection
$servername = "moocproject.ddns.net";
$username = "";
$password = "";
$dbname = "moocdb";

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}
//Insert
    $sql = "INSERT INTO users (first_name, last_name, login, email, password)
    VALUES ('$tmp_first', '$tmp_last', '$value', '$tmp_mail', '$pass')";

    if ($conn->query($sql) === TRUE) {
        echo "New record created successfully <br>";
    } else {
        echo "Error: " . $sql . "<br>" . $conn->error;
    }

//end
$conn->close();