PHP Page Cache 页面缓存类 (2)

        if(!file_exists( $_CacheUrl))
        {
             $hanld = @fopen( $_CacheUrl,"w");
            @fclose( $hanld);
        }

        if(!file_exists( $_CacheConfigUrl))
        {
             $hanld = @fopen( $_CacheConfigUrl,"w");
            @fclose( $hanld);
        }
    $this->CacheConfigFile =  $_CacheConfigUrl;
         $this->CacheFileUrl =  $_CacheUrl;
         $this->CheckCache();
        return true;
    }

    private function CheckCache()
    {
         $_FileEditTime = @filemtime( $this->CacheFileUrl);
         $_TimeOut =  $this->SetTimeOut;
         $_IsTimeOut =  $_FileEditTime +  $_TimeOut;

         $this->LastUnixTimePoke =  $_FileEditTime;
         $this->NextUnixTimePoke =  $_IsTimeOut;
         $this->CurrentUnixTimePoke = time();
         $this->UnixNowToNext =  $this->NextUnixTimePoke - time();

         $this->LastTimePoke = date("Y-m-d H:i:s", $_FileEditTime);
         $this->NextTimePoke = date("Y-m-d H:i:s", $_IsTimeOut);
         $this->CurrentTimePoke = date("Y-m-d H:i:s",time());

         $_TxtInformation = "上次缓存时间戳:  $this->LastUnixTimePoke ";
         $_TxtInformation .= "当前缓存时间戳:  $this->CurrentUnixTimePoke ";
         $_TxtInformation .= "下次缓存时间戳:  $this->NextUnixTimePoke ";

         $_TxtInformation .= "上次缓存时间:  $this->LastTimePoke ";
         $_TxtInformation .= "当前缓存时间:  $this->CurrentTimePoke ";
         $_TxtInformation .= "下次缓存时间:  $this->NextTimePoke ";

         $_TxtInformation .= "距离下次缓存戳:  $this->UnixNowToNext ";     $handl = @fopen( $this->CacheConfigFile,’w’);
        if( $handl)
        {
            @fwrite( $handl, $_TxtInformation);
            @fclose( $handl);
        }

        if( $_IsTimeOut >= time())
        {
             $this->GetCacheData();
        }
    }

    private function ClearCacheFile()
    {
        @unlink( $this->CacheFileUrl);
        @unlink( $this->CacheConfigFile);
    }

    public function PutCache()
    {
         $this->DataLength = ob_get_length();
         $PutData = ob_get_contents();
        if(!file_exists( $this->CacheFileUrl))
        {
             $CreateOK =  $this->CreateCache();
            if(! $CreateOK)
            {
                 $this->ErrResponse(’检查缓存文件时产生错误，缓存文件创建失败’);
                return false;
            }
        } else {
             $hanld = @fopen( $this->CacheFileUrl,"w");
            if( $hanld)
            {       if(@is_writable( $this->CacheFileUrl))