src/Contracts/HttpService.php
public static function getCache($name)
    {
        $cache_file = self::getCacheName($name);
        if (file_exists($cache_file) && ($content = file_get_contents($cache_file))) {
            $data = unserialize($content);
            if (isset($data['expired']) && (intval($data['expired']) === 0 || intval($data['expired']) >= time())) {
                return $data['value'];
            }
            self::delCache($name);
        }
        return null;
    }
public static function getCache($name)
    {
        $cache_file = self::getCacheName($name);
        if (file_exists($cache_file) && ($content = file_get_contents($cache_file))) {
            $data = unserialize($content);
            if (isset($data['expired']) && (intval($data['expired']) === 0 || intval($data['expired']) >= time())) {
                return $data['value'];
            }
            self::delCache($name);
        }
        return null;
    }
获取缓存内容
@param string $name 缓存名称
@return null|mixed