HummingBirdAnimeClient/app/base/pre_conf_functions.php

<?php

/**
 * Functions that need to be included before config
 */

/**
 * Joins paths together. Variadic to take an
 * arbitrary number of arguments
 *
 * @return string
 */
function _dir()
{
	return implode(DIRECTORY_SEPARATOR, func_get_args());
}

/**
 * Set up autoloaders
 *
 * @codeCoverageIgnore
 * @return void
 */
function _setup_autoloaders()
{
	require _dir(ROOT_DIR, '/vendor/autoload.php');
	spl_autoload_register(function ($class) {
		$class_parts = explode('\\', $class);
		$class = end($class_parts);

		$dirs = ["base", "controllers", "models"];

		foreach($dirs as $dir)
		{
			$file = _dir(APP_DIR, $dir, "{$class}.php");
			if (file_exists($file))
			{
				require_once $file;
				return;
			}
		}
	});
}