if(empty($_POST['pouzivatelske_meno'])&& empty($_POST['heslo'])
			&& empty($_POST['meno'])
			&& empty($_POST['priezvisko'])
			&& empty($_POST['mail'])){
				echo "<h1>WRONG</h1>";
				return false;
			}


			$username = mysqli_real_escape_string($conn, $_POST['pouzivatelske_meno']);
			echo "$username";
			$password = mysqli_real_escape_string($conn, $_POST['heslo']);
			echo "$password";
			$meno = mysqli_real_escape_string($conn, $_POST['meno']);
			echo "$meno";
			$priezvisko = mysqli_real_escape_string($conn, $_POST['priezvisko']);
			echo "$priezvisko";
			$mail = mysqli_real_escape_string($conn, $_POST['mail']);
			echo "$mail";
			echo "</br>";

			if($username === "" || $password === "" || $meno === "" || $priezvisko === "" || $mail === ""){
				return false;
			}