Max PHP - 1

<?php

if(isset($_POST["register"])) {

    $username = $_POST["username"];
    $password = $_POST["password"];
    $database = "Database.txt";

    $userdata = $username . " | " . password_hash($password, PASSWORD_DEFAULT)
    . PHP_EOL;

    $userdataArray = explode(" | ", $userdata);
    print_r($userdataArray);

}

?>