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

if (!function_exists('upload_content_image')) {

    /**
     * Notes:抓取网络图片
     * Created on: 2020/1/14 14:21
     * Created by: dengbw
     * @param $content
     * @return string|string[]|null
     */
    function fetch_content_image($content, $path = '')
    {
        //解析内容
        $content = preg_replace('/data-.*?["|\'](.*?)["|\']/', '', $content);
        preg_match_all('/\<[img|IMG].*?src=["|\'](.*?)["|\'].*?\>/', $content, $match);
        $ci = &get_instance();
        $ci->load->library('qiniu');
        if ($match[0]) {
            foreach ($match[1] as $key => $val) {
                if (!strstr($val, 'qimg')) {
                    $file = $ci->qiniu->fetch($val, getFileName($val, $path));
                    if (!$file) {
                        $content = str_replace($match[1][$key], "", $content);
                        continue;
                    } else {
                        $content = str_replace($match[1][$key], $file['url'], $content);
                    }
                }
            }
        }
        preg_match_all('/url\((.*?)\)/', $content, $match2);
        if ($match2[0]) {
            foreach ($match2[1] as $key => $val) {
                if (!strstr($val, 'qimg')) {
                    $file = $ci->qiniu->fetch($val, getFileName($val, $path));
                    if (!$file) {
                        $content = str_replace($match2[1][$key], "", $content);
                        continue;
                    } else {
                        $content = str_replace($match2[1][$key], '&quot;' . $file['url'] . '&quot;', $content);
                    }
                }
            }
        }
        return $content;
    }

    function getFileName($file, $path = '')
    {
        $list = ['gif', 'jpg', 'png', 'bmp', 'jpeg']; //定义图片后缀数组
        $pattern = "/" . implode("|", $list) . "/i"; //定义正则表达式
        $patternList = array();
        if (preg_match_all($pattern, $file, $matches)) { //匹配到了结果
            $patternList = $matches[0]; //匹配到的数组
        }
        $ext = $patternList ? $patternList[0] : 'jpg';
        $phoId = md5(uniqid() . mt_rand(0, 10000) . time());
        $oriKey = 'p_' . $phoId . '.' . $ext;
        // 上传到七牛后保存的文件名
        $path = $path ? $path . "/" : '';
        $photo = $path . date('Ym') . "/" . $oriKey;
        return $photo;
    }


    function upload_content_image($content)
    {
        //解析内容
        $content = preg_replace('/data-.*?["|\'](.*?)["|\']/', '', $content);
        preg_match_all('/\<[img|IMG].*?src=["|\'](.*?)["|\'].*?\>/', $content, $match);

        if ($match[0]) {
            $ci = &get_instance();
            $ci->load->library('qiniu');

            foreach ($match[1] as $key => $val) {
                if (!strstr($val, 'qimg')) {
                    $img = @file_get_contents($val);
                    $filename = $ci->qiniu->getFileName($val);
                    $filename = date('Y/m') . '/' . $filename;
                    $file = $ci->qiniu->save($filename, $img);

                    if (!$file) {
                        $content = str_replace($match[1][$key], "", $content);
                        continue;
                    } else {
                        $content = str_replace($match[1][$key], $file['url'], $content);
                    }
                }
            }
        }

        preg_match_all('/url\((.*?)\)/', $content, $match2);
        if ($match2[0]) {
            foreach ($match2[1] as $key => $val) {
                if (!strstr($val, 'qimg')) {
                    $img = @file_get_contents($val);
                    $filename = $ci->qiniu->getFileName($val);
                    $filename = date('Y/m') . '/' . $filename;
                    $file = $ci->qiniu->save($filename, $img);

                    if (!$file) {
                        $content = str_replace($match2[1][$key], "", $content);
                        continue;
                    } else {
                        $content = str_replace($match2[1][$key], '&quot;' . $file['url'] . '&quot;', $content);
                    }
                }
            }
        }

        return $content;
    }
}