<?php
if(isset($_POST['create_user'])) {
	/*
	 * Retrieve all the form values using the $_POST superglobal.
	 */
	 if($_POST['password']){
		die("passwords too short!");
	}
	if($_POST['password']){
		die("The password requires one uppercase letter a lower case letter and one number!");
	}
	if($_POST['password'] != $_POST['passwordagain']){
		die("passwords do not match");
	}
	$user_firstname = test_form_input($_POST['user_firstname']);
	$user_lastname = test_form_input($_POST['user_lastname']);
	$user_role = test_form_input($_POST['user_role']);
	$user_email = test_form_input($_POST['user_email']);
	$username = test_form_input($_POST['username']);
	$password = test_form_input($_POST['password']);

	$user_image = $_FILES['user_image']['name'];
	$user_image_temp = $_FILES['user_image']['tmp_name'];
	$user_image_filesize = $_FILES['user_image']['size'];

	if($user_image != "") {
		/*
		 * This section of the code manages image uploads. As discussed in class,
		 * we check if the file is of a specified type, and within the allowed file-size.
		 */
		$target_file = "../images/" . $user_image;
		$finfo = finfo_open(FILEINFO_MIME_TYPE);
		$mime = finfo_file($finfo, $user_image_temp);

		/*
		 * A list of MIME types are available here: