PHP RedisClient

Redis.php

class Redis
{
    const CONFIG_FILE = '/config/redis.php';

    protected static $redis;

    public static function init()
    {
        self::$redis = new Client(require BASE_PATH . self::CONFIG_FILE);
    }

    public static function set($key, $value, $time = null, $unit = null)
    {
        self::init();

        if ($time) {

            switch ($unit) {

                case 'h':

                    $time *= 3600;

                    break;

                case 'm':

                    $time *= 60;

                    break;

                case 's':

                case 'ms':

                    break;

                default:

                    throw new InvalidArgumentException('单位只能是 h m s ms');

                    break;

            }

            if ($unit == 'ms') {

                self::_psetex($key, $value, $time);

            } else {

                self::_setex($key, $value, $time);

            }

        } else {

            self::$redis->set($key, $value);

        }

    }

    public static function get($key)
    {

        self::init();

        return self::$redis->get($key);

    }

    public static function delete($key)
    {

        self::init();

        return self::$redis->del($key);

    }

    private static function _setex($key, $value, $time)
    {
        self::$redis->setex($key, $time, $value);
    }

    private static function _psetex($key, $value, $time)
    {
        self::$redis->psetex($key, $time, $value);
    }

    public static function __callStatic($name, $arguments)
    {
        self::init();
        return call_user_func_array([self::$redis, $name], $arguments);
    }
}