<?php

if (isset(filter_input_array(INPUT_POST)['register'])) {
    require 'connection.php';
}

$firstname = filter_input_array(INPUT_POST) ['firstname'];
$lastname = filter_input_array(INPUT_POST) ['lastname'];
$registeras = filter_input_array(INPUT_POST) ['registeras'];
$password = filter_input_array(INPUT_POST) ['password1'];
$repassword = filter_input_array(INPUT_POST) ['password2'];

//error handlers

if (empty($firstname)||empty($lastname) ||empty($registeras)||empty($password) ||empty($repassword)){
    $header = header("location:../register.php?error=emptyfields&firstname=".$firstname."&lastname=".$lastname);
    exit();
}