<?php

namespace AppBundle;

class System
{
    const VERSION = '8.6.20';

    const RELEASE_NOTES = 'http://www.edusoho.com/intro/13';

    const OS_UNKNOWN = 1;
    const OS_WIN = 2;
    const OS_LINUX = 3;
    const OS_OSX = 4;

    /**
     * @return int
     */
    public static function getOS()
    {
        switch (true) {
            case stristr(PHP_OS, 'DAR'):
                return self::OS_OSX;
            case stristr(PHP_OS, 'WIN'):
                return self::OS_WIN;
            case stristr(PHP_OS, 'LINUX'):
                return self::OS_LINUX;
            default:
                return self::OS_UNKNOWN;
        }
    }
}
