Autoloader.php

<?php

/*
 * This file is part of the pl1998/thirdparty_oauth.
 *
 * (c) pl1998<pltruenine@163.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Thirdparty;

/**
 * 执行自动加载 自动加载类
 * Class Autoloader.
 */
class Autoloader
{
    protected static $_autoloadRootPath = '';

    /**
     * Set autoload root path.
     *
     * @param string $root_path
     *
     * @return void
     */
    public static function setRootPath($root_path)
    {
        self::$_autoloadRootPath = $root_path;
    }

    public static function loadByNamespace($name)
    {
        $class_path = \str_replace('\\', \DIRECTORY_SEPARATOR, $name);
        if (0 === \strpos($name, 'Thirdparty\\')) {
            $class_file = __DIR__.\substr($class_path, \strlen('Thirdparty')).'.php';
        } else {
            if (self::$_autoloadRootPath) {
                $class_file = self::$_autoloadRootPath.\DIRECTORY_SEPARATOR.$class_path.'.php';
            }
            if (empty($class_file) || !\is_file($class_file)) {
                $class_file = __DIR__.\DIRECTORY_SEPARATOR.'..'.\DIRECTORY_SEPARATOR."$class_path.php";
            }
        }

        if (\is_file($class_file)) {
            require_once $class_file;
            if (\class_exists($name, false)) {
                return true;
            }
        }

        return false;
    }
}

\spl_autoload_register('\Thirdparty\Autoloader::loadByNamespace');