php Curl保存远程服务器图片

php Curl保存远程服务器图片

function LoadImageCURL($save_to){
        $ch = curl_init($this->source);
        $fp = fopen($save_to, "wb");
       
        // set URL and other appropriate options
        $options = array(CURLOPT_FILE => $fp,
                         CURLOPT_HEADER => 0,
                         CURLOPT_FOLLOWLOCATION => 1,
                         CURLOPT_TIMEOUT => 60); // 1 minute timeout (should be enough)
       
        curl_setopt_array($ch, $options);
       
        curl_exec($ch);
        curl_close($ch);
        fclose($fp);

    }

$info = @GetImageSize($this->source);
    $mime = $info['mime'];
   
// What sort of image?
    $type = substr(strrchr($mime, '/'), 1);
    switch ($type){
        case 'jpeg':
            $image_create_func = 'ImageCreateFromJPEG';
            $image_save_func = 'ImageJPEG';
            $new_image_ext = 'jpg';
       
            // Best Quality: 100
            $quality = isSet($this->quality) ? $this->quality : 100;
            break;
       
        case 'png':
            $image_create_func = 'ImageCreateFromPNG';
            $image_save_func = 'ImagePNG';
            $new_image_ext = 'png';
       
            // Compression Level: from 0  (no compression) to 9
            $quality = isSet($this->quality) ? $this->quality : 0;
            break;
       
        case 'bmp':
            $image_create_func = 'ImageCreateFromBMP';
            $image_save_func = 'ImageBMP';
            $new_image_ext = 'bmp';
            break;
       
        case 'gif':
            $image_create_func = 'ImageCreateFromGIF';
            $image_save_func = 'ImageGIF';
            $new_image_ext = 'gif';

            break;
       
        case 'vnd.wap.wbmp':
            $image_create_func = 'ImageCreateFromWBMP';
            $image_save_func = 'ImageWBMP';
            $new_image_ext = 'bmp';
            break;
       
        case 'xbm':
            $image_create_func = 'ImageCreateFromXBM';
            $image_save_func = 'ImageXBM';
            $new_image_ext = 'xbm';
            break;
       
        default:
            $image_create_func = 'ImageCreateFromJPEG';
            $image_save_func = 'ImageJPEG';
            $new_image_ext = 'jpg';
    }
   
    if(isSet($this->set_extension)){
        $ext = strrchr($this->source, ".");
        $strlen = strlen($ext);
        $new_name = basename(substr($this->source, 0, -$strlen)).'.'.$new_image_ext;
    }else{
        $new_name = basename($this->source);
    }
   
    $save_to = $this->save_to."/blog_insert_temp_".time().mt_rand(1,99).".".$new_image_ext;
    //输出对象 组成跟$_FILE变量一样 得到后自己和平常图片上传处理一样了
    $img_info['name'] = basename($this->source);
    $img_info['type'] = $mime;
    $img_info['size'] = 1000;
    $img_info['tmp_name'] = $save_to;
    $img_info['error'] = 0;
       
    if($method == 'curl'){
        $save_image = $this->LoadImageCURL($save_to);
    }elseif($method == 'gd'){
        $img = $image_create_func($this->source);
   
            if(isSet($quality)){
               $save_image = $image_save_func($img, $save_to, $quality);
            }else{
               $save_image = $image_save_func($img, $save_to);
            }
          
    }
         return $img_info;
    }