phpcms에 워터마크를 추가할 수 없으면 어떻게 해야 합니까?

function ycimg($file,$newfile)
{
// 初始化一个 cURL 对象
$curl = curl_init();
// 设置你需要抓取的URL
curl_setopt($curl, CURLOPT_URL, $file);
// 设置header
curl_setopt($curl, CURLOPT_HEADER, 0);
// 设置cURL 参数，要求结果保存到字符串中还是输出到屏幕上。
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
// 运行cURL，请求网页
$data = curl_exec($curl);
// 关闭URL请求
curl_close($curl);
//写入获得的数据
$write = @fopen($newfile,"w");
fwrite($write,$data);
fclose($write);
return TRUE;
}

if(@$upload_func($file, $newfile))

if($this->ycimg($file,$newfile))

@chmod($newfile, 0777);

$this->downloadedfiles[$aid] = $filepath;

$waterpath = UPLOAD_URL.$filepath;
require_once 'image.class.php';
$image = new image();
$image->watermark($waterpath, '', '9', 'images/watermark.gif', '', '5', '#ff0000', '80','100');