<?php
/**
 * Created by PhpStorm.
 * User: linfan
 * Date: 2018-12-03
 * Time: 21:39
 */

if (! function_exists('upload_net_image'))
{
    /**
     * 保存网络图片,如果图片保存失败返回空字符串
     * @param $srcs ['src1', 'src2', 'src3']
     * @param $path (保存的分类目录)
     * @return array ['url1', '', 'url3']
     */
    function upload_net_image($srcs, $path = '')
    {
        $path && $path = '/' === substr($path, -1) ? $path : $path . '/';

        $urls = array();
        if($srcs)
        {
            $ci = & get_instance();
            $ci->load->library('qiniu');
            foreach ($srcs as $key => $val)
            {
                $filename = $ci->qiniu->getFileName($val);
                $filename = $path . date('Y/m').'/'.$filename;
                $file = $ci->qiniu->fetch($val, $filename);

                if (!$file)
                {
                    $urls[$key] = '';
                    continue;
                }
                else
                {
                    $urls[$key] = $file['file'];
                }
            }
        }

        return $urls;
    }
}