Bootstrap+php to achieve multi-image upload

Plug-in and source code can be downloaded here http://www.jq22.com/jquery-info5231
The following is supplemented by the downloaded demo:
Use bootstrap interface beautiful, can preview, can drag upload, can cooperate with Ajax asynchronous or synchronous upload, the following is:

Front-end Code: fileinput.html

<! DOCTYPE html><!--release v4.1.8, copyright 2014-2015 Kartik visweswaran-->
Background code:
    /    * * BOOTST multi-image upload */public    function fileinput ()    {                return $this->fetch ();    }    Public Function uploadimg ()    {        //Var_dump ($_files);        Get form upload file         $file = Request ()->file (' images ');        Move to the Framework app root directory under the/public/uploads/img directory        $info = $file->move (root_path. ' Public '. Ds. ' uploads/img ');                if ($info) {            //successfully upload after uploading information            $data [' response '] = $info->getsavename ();            Return JSON ($DATA);                        Image upload successful, the following can be used for database operation            //...                    } else{            //upload failed to get error message            echo $file->geterror ();}            }
Bootstrap+php to achieve multi-image upload