<?php
// define variables and set to empty values
$nameErr = $emailErr = $cognomeErr = $passwordErr = $cpasswordErr = "";
$name = $email = $cognome = $username = $password = $cpassword = "";

if ($_SERVER["REQUEST_METHOD"] == "POST") {
  if (empty($_POST["name"])) {
    $nameErr = "Name is required";
  } else {
    $name = test_input($_POST["name"]);
  }

  if (empty($_POST["email"])) {
    $emailErr = "Email is required";
  } else {
    $email = test_input($_POST["email"]);
  }

  if (empty($_POST["cognome"])) {
    $cognomeErr = "cognome is required";
  } else {
    $cognome = test_input($_POST["cognome"]);
  }

  if (empty($_POST["username"])) {
    $usernameErr = "username is required";
  } else {
    $username = test_input($_POST["username"]);
  }

  if (empty($_POST["password"])) {
    $passwordErr = "password is required";
  } else {
    $password = test_input($_POST["password"]);
  }
    if (empty($_POST["cpassword"])) {
    $cpasswordErr = "confirm password is required";
  } else {
    $cpassword = test_input($_POST["cpassword"]);
  }
}
?>