validation :

$validator = Validator::make($request->all(), [

                'complianeFor'              => 'required'

              ]);
              if ($validator->fails()) {
              return redirect('/CaseCreate')
                              ->withErrors($validator)
                              ->withInput();
              }

            $allowedfileExtension=['pdf','jpg','png','docx','doc','mp4','mp3'];
            if(count($request->file('support_doc')) != 0){
                $files = $request->file('support_doc');
                foreach($files as $file){
                    $filename = $file->getClientOriginalName();
                    $extension = $file->getClientOriginalExtension();
                    $check=in_array($extension,$allowedfileExtension);
                }
            }
            if($check == false){
                Session::flash('message', 'You file format does not supported. Please upload pdf,jpg,png,docx,doc formated file!');
                return redirect('/CaseCreate');
            }
            if($_FILES['support_doc']['size'] > 10000){
                Session::flash('message', 'Please upload file less than 10 mb');
                return redirect('/CaseCreate');
            }
            else {
        	     $compliance = new BlastApplication();
               $tracking_no = date('ymdhis');
               insert data



    ____________________________________________


    upload data :

    $file = $request['support_doc'];
    $compliancesupportingdoc = new ComplianceSupportingDoc();
    if(!empty($file)){
    $doc  = [];
    foreach($file as $files){
      $filename = $files->getClientOriginalName();
      $orginal_name = pathinfo($filename, PATHINFO_FILENAME);
      $imageName = md5(time().$orginal_name).'.'.$files->getClientOriginalExtension();
          $files->move(public_path('ComplianceDoc'), $imageName);
        $doc[] = [
              'caseId' => $compliance->case_id,
          'tracking_no' => $tracking_no,
          'orginal_name' => $orginal_name,
          'supporting_doc_name' => $imageName
            ];
        }
        DB::table('compliance_supporting_docs')->insert($doc);