phpcms가 원격 이미지를 저장할 수 없으면 어떻게 해야 합니까?

/**
* 补全网址
*
* @paramstring$surl源地址
* @paramstring$absurl相对地址
* @paramstring$basehref网址
* @returnstring网址
* 增加对远程https协议下图片的本地化保存
*/
function fillurl($surl, $absurl, $basehref = '') {
if($basehref != '') {
$preurl = strtolower(substr($surl,0,6));
if($preurl=='http://' || $preurl=='https://' || $preurl=='ftp://' ||$preurl=='mms://' || $preurl=='rtsp://' || $preurl=='thunde' || $preurl=='emule://'|| $preurl=='ed2k://')
return  $surl;
else
return $basehref.'/'.$surl;
}
$i = 0;
$dstr = '';
$pstr = '';
$okurl = '';
$pathStep = 0;
$surl = trim($surl);
if($surl=='') return '';
$urls = @parse_url(SITE_URL);
$HomeUrl = $urls['host'];
$BaseUrlPath = $HomeUrl.$urls['path'];
$BaseUrlPath = preg_replace("/\/([^\/]*)\.(.*)$/",'/',$BaseUrlPath);
$BaseUrlPath = preg_replace("/\/$/",'',$BaseUrlPath);
$pos = strpos($surl,'#');
if($pos>0) $surl = substr($surl,0,$pos);
if($surl[0]=='/') {
$okurl = 'http://'.$HomeUrl.'/'.$surl;
} elseif($surl[0] == '.') {
if(strlen($surl)<=2) return &#39;&#39;;
elseif($surl[0]==&#39;/&#39;) {
$okurl = &#39;http://&#39;.$BaseUrlPath.&#39;/&#39;.substr($surl,2,strlen($surl)-2);
} else {
$urls = explode(&#39;/&#39;,$surl);
foreach($urls as $u) {
if($u=="..") $pathStep++;
else if($i<count($urls)-1) $dstr .= $urls[$i].&#39;/&#39;;
else $dstr .= $urls[$i];
$i++;
}
$urls = explode(&#39;/&#39;, $BaseUrlPath);
if(count($urls) <= $pathStep)
return &#39;&#39;;
else {
$pstr = &#39;http://&#39;;
for($i=0;$i<count($urls)-$pathStep;$i++) {
$pstr .= $urls[$i].&#39;/&#39;;
}
$okurl = $pstr.$dstr;
}
}
} else {
$preurl = strtolower(substr($surl,0,6));
if(strlen($surl)<7)
$okurl = &#39;http://&#39;.$BaseUrlPath.&#39;/&#39;.$surl;
elseif($preurl=="http:/" || $preurl=="https:" ||$preurl==&#39;ftp://&#39; ||$preurl==&#39;mms://&#39; || $preurl=="rtsp://" || $preurl==&#39;thunde&#39; || $preurl==&#39;emule:&#39;|| $preurl==&#39;ed2k:/&#39;)
$okurl = $surl;
else
$okurl = &#39;http://&#39;.$BaseUrlPath.&#39;/&#39;.$surl;
}
$preurl = strtolower(substr($okurl,0,6));
if($preurl==&#39;ftp://&#39; || $preurl==&#39;mms://&#39; || $preurl==&#39;rtsp://&#39; || $preurl==&#39;thunde&#39; || $preurl==&#39;emule:&#39;|| $preurl==&#39;ed2k:/&#39;) {
return $okurl;
} else {
$okurl = preg_replace(&#39;/^(http:\/\/)/i&#39;,&#39;&#39;,$okurl);
$okurl = preg_replace(&#39;/^(https:\/\/)/i&#39;,&#39;&#39;,$okurl);
$okurl = preg_replace(&#39;/\/{1,}/i&#39;,&#39;/&#39;,$okurl);
return &#39;http://&#39;.$okurl;
}
}