thinkphp修改图片路径

   public function editimg(GuNew $model)
    {
        $data = $model::field(['content', 'id'])->order(['id'=>'desc'])->select();
        // dump($data);
        // exit;
        foreach ($data as $key => $vo) {
            $pattern =  '/<img (.*?)+src=[\'"](.*?)[\'"]/i';
            preg_match_all($pattern,  $vo['content'], $match);
            $content = $vo['content'];
            $vo['content'] = $this->imgedit($match[2],$content);
            // dump($vo['content']);
            $vo->save($vo->toArray());
        }
        // dump($data);
        dump('成功');
    }
    public function imgedit($arr, &$srt)
    {
        foreach ($arr as $v) {
          //判断字符串中是否存在public
            if(strpos($v,'public')===false){
                $srt = str_replace($v, '/public' . $v, $srt);
            }
        }
        return $srt;
    }