php - Strange form reaction when file uploaded -

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i have simple form :

        <form action="http://localhost/api2/users/teachers/imageupload" method="post" enctype="multipart/form-data" data-ajax="false">         <input type="hidden" name="x-api-key" value="21f5ba3c7ac34c81964f5e49b13b9b65914dhar2">         var1: <input type="number" name="var1"  ></br>         var2: <input type="number" name="var2"  ></br>         image: <input type="file" name="img" multiple></br>         <input type="submit">         </form>

all should send post request api-key, var1, var2 , image file.

now long form doesn't try send file, works great. when try send image, if sent empty form.

here of backend:(i made default response testing.)

    $var1 = $this->post("var1");     $var2 = $this->post("var2");     $this->response(array("error"=> true,"message"=>"missing arguments","data"=>array($var1,$var2,$_files)),500);

response without file:

{ "error": true, "message": "missing arguments", "data": [     "1",     "2",     []     ] }

response file:

{"error":true,"message":"access denied"}

and if send via postman receive. 

{ "error": true, "message": "missing arguments", "data": [     false,     false,     []     ] }

i'm using codeigniter-restserver restapi controller. working fine until started uploading files.

does know causing this? thank you.

see size of max_file_size , post_max_size in php.ini file , make them larger or try upload smaller image. had similar problem.

hope helps.


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