/**
* 抓取远程图片
*
* @param string $url 远程图片地址
* @param string $filename 保存的文件地址
* @return GD
*/
public static function urlCatch($url, $filename, $refer = NULL)
{
$content = Http::request($url, $refer);
// if catch fail, try use refer '' to catch again
if ($content === false && $refer !== '') {
$content = Http::request($url, '');
}
if ($content === false) {
return self::emptyGD();
} else {
file_put_contents($filename, $content);
return self::load($filename);
}
}
