Controller.php

#File Upload

 if (!empty($request->file('files'))) {

            if (!file_exists(public_path() . '/files')) {
                mkdir(public_path() . '/files', 0777, true);
            }

            foreach ($request->file('files') as $file) {

                $ext = strtolower($file->getClientOriginalExtension());
                $fileFullName = 'meetings '. $meetings->time . '.' . $ext;

                $file->move(
                    public_path() . '/files/', $fileFullName
                );
            }
            $meetings->files()->create([
                'url' => $fileFullName,
                'mimes' => $file->getClientMimeType(),
            ]);
        }


#blade File 

<form action="{{url('meetings')}}" method="post" class="form-horizontal" enctype="multipart/form-data">
 <div class="form-group">
     <label class="control-label col-md-3">Meeting File</label>
     <div class="col-md-9">
         <input type="file" class="form-control" name="files[]" value="{{old('files[]')}}">
     </div>
 </div>
</form>