上传多张图片 multiple使用

<form action="upload.php" method="post" enctype="multipart/form-data">
        Select images: <input type="file" name="img[]" multiple="multiple" />
        <input type="submit" />
    </form>

    public function sub1()
    {
        $model = D(‘bidnotice‘);
        $file = $_FILES[‘img‘];
        $count = count($file[‘name‘]);

        for ($i = 0; $i < $count; $i++) {
        if ($file[‘size‘][$i] > 3145728) {
            $this->error("上传文件超过限定大小");exit;
        }
        $name = strrchr($file[‘name‘][$i], ‘.‘);
        $str = rand(111, 999);
        $tmpName = date(‘Y-m-d‘) . $str;
        $newName = $tmpName . $name;
        $upload_path = "../Public/Images/zhongbiao/";
        $typeArr = array(‘.jpg‘, ‘.jpeg‘, ‘.png‘);
        if ($file[‘error‘][$i] == 0) {
           if (in_array($name, $typeArr)) {
               if (is_uploaded_file($file[‘tmp_name‘][$i])) {
                   if (move_uploaded_file($file[‘tmp_name‘][$i], $upload_path . $newName)) {
                       $fujian = "fujian".$i;   // 拼接 每张图片存入对应的字段.数据库 设计 字段 dujian0,dujian1,dujian2...
                       $data[$fujian] = $newName;
                    }
                }
           }
       } 
    }
 　　　　$data[‘lsnumber‘] = $_POST[‘lsnumber‘];
        $data[‘city‘] = $_POST[‘city‘];
        ...

        $model->add($data);
        $this->success("添加成功", ‘Goods/list‘);

    }