Dragon-Knight/public/install/doodie.php

<?php // install.php :: creates/populates database tables on a new installation.

// Admin account; create it from the provided info
if ($step == 'third') {
	$errors = [];

	// Make sure our info is at least mostly valid
    if (!required(['username', 'password', 'email'])) {
        $errors[] = 'All fields are required.';
    } else {
	   	if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
			$errors[] = 'Invalid email address format.';
		}

		if (strlen($_POST['password']) < 6) {
			$errors[] = 'Password must be at least 6 characters long.';
		}
    }

	// Make sure the class selection is valid
    $class = isset($_POST['class']) && in_array($_POST['class'], [1, 2, 3]) ? $_POST['class'] : 1;

	// If we have any errors, bail to the form and let the user know
	if (!empty($errors)) {
		echo render('install/layout', ['title' => 'Admin Account', 'step' => 'third', 'errors' => $errors, 'complete' => $_POST['complete'] ?? false]);
		exit;
	}

	// Create the .installed file in the server folder
	file_put_contents(SERVER.'/.installed', 'Installed on '.date('Y-m-d H:i:s'));

	// Create the admin account
	createUser($_POST['username'], $_POST['password'], $_POST['email'], $class, ['role' => 5, 'verified' => 1]);

	// Render the finished page!
	echo render('install/layout', ['title' => 'Finished!', 'step' => 'done', 'name' => $_POST['username'], 'complete' => $_POST['complete'] ?? false]);
	exit;
}