hashover/scripts/oop-setup.php

<?php namespace HashOver;

// Copyright (C) 2017 Jacob Barkdull
// This file is part of HashOver.
//
// HashOver is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// HashOver is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with HashOver.  If not, see <http://www.gnu.org/licenses/>.


// Display source code
if (basename ($_SERVER['PHP_SELF']) === basename (__FILE__)) {
	if (isset ($_GET['source'])) {
		header ('Content-type: text/plain; charset=UTF-8');
		exit (file_get_contents (basename (__FILE__)));
	}
}

// Autoload class files
spl_autoload_register (function ($uri) {
	$uri = str_replace ('\\', '/', strtolower ($uri));
	$class_name = basename ($uri);
	$error = '"' . $class_name . '.php" file could not be included!';

	if (!@include ('./' . $class_name . '.php')) {
		// Return JavaScript code to display an error
		$js_error  = 'var hashover = document.getElementById (\'hashover\') || document.body;' . PHP_EOL;
		$js_error .= 'var error = \'<p><b>HashOver</b>: ' . $error . '</p>\';' . PHP_EOL . PHP_EOL;
		$js_error .= 'hashover.innerHTML += error;';

		echo $js_error;
		exit;
	}
});