网络图片转换到本地并转换成base64位

/**
     * 网络图片转换到本地并转换成base64位
     * @param $url
     * @return string
     */
    public function imgzhuanhuan($url)
    {
        //网络图片路径
//        $url=\'https://img.jinse.com/1435941_small.png\';
        //获取文件后缀
        $type = substr($url, strrpos($url, ".")+1);
        //本地路径
        $path=public_path().\'/images/\'.time().\'.png\';
        //反斜杠\替换为/
        $path=str_replace(\'\\\',\'/\',$path);

        //网上图片保存到本地
        $paths=$this->curl_file_get_contents($url, $path);
        //转换成base64位
        $base64_image=$this->base64EncodeImage($paths);
        //删除本地图片
        @unlink($paths);
        return $base64_image;
    }

    //这里的path是我再本地项目中的临时存储路径：\'upload/pictrue/xxx.png\'
    //这个路径是要提前创建的，类似于一个空的模板，然后通过curl把二进制的图片流写进去
    //$url是网络图片的地址
    public function curl_file_get_contents($url, $path)
    {
        $hander = curl_init();
        $fp = fopen($path, \'wb\');
        curl_setopt($hander, CURLOPT_URL, $url);
        curl_setopt($hander, CURLOPT_FILE, $fp);
        curl_setopt($hander, CURLOPT_HEADER, 0);
        curl_setopt($hander, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($hander, CURLOPT_TIMEOUT, 60);
        curl_exec($hander);
        curl_close($hander);
        fclose($fp);
        return $path;
    }


    public function base64EncodeImage ($image_file) {
        $base64_image = \'\';
        $image_info = getimagesize($image_file);
        $image_data = fread(fopen($image_file, \'r\'), filesize($image_file));
        $base64_image = \'data:\' . $image_info[\'mime\'] . \';base64,\' . chunk_split(base64_encode($image_data));
        return $base64_image;
    }