if($request->input('append-file')){

            $pdfMerger = PdfMerger::init();

            //var_dump($request->input('_old-file'));
            $pdfMerger->addPDF('storage/'.$request->input('_old-file'),'all');

            if($request->hasFile('filename'))
            {
                foreach ($request->file('filename') as $key => $file) {

                    $pdfMerger->addPDF($file->getPathname(),'all');
                    $data[] = [
                        'agenda_id' => $request->input('proposal-id'),
                        'user_id' => $request->input('prepared-by'),
                        'file_name' => $file->getClientOriginalName(),
                        'file_type' => $file->getClientMimeType(),
                        'file_title' => '',
                        'description' => ''
                    ];
                }
                $pdfMerger->duplexMerge('file',Str::random(40).'.pdf', 'P');
            }

        }else{

        }