Can not Update Data

Hello Everyone !

i am working on Codeigniter...
im trying to do simple thing ! i have a form in which there is different section..actually it looks there is 5 form in one page but i have taken only one form with one submit button..

not what the issue is,if i m going to fill up the second form then third form's data is deleted in DB While second Form's data can inserted but another form's data is deleted

here is my Code of Controller

PHP Code:

$Resume = $this->input->post();        $ResumeInsert=array();
$ResumeUpdate=array();

foreach($this->input->post('Person_id') as $key =>$value ){
$ResumeInsert[$key]['updated'] = Date("Y-m-d");
                    $ResumeInsert[$key]['Importance_JK'] = $Resume['Importance_JK'];
                    $ResumeInsert[$key]['user_FK'] = $user_id;
                    $ResumeInsert[$key]['Person_id'] = $Resume['Person_id'][$key];
                    $ResumeInsert[$key]['email_contact'] = $Resume['email_contact'][$key];
                    $ResumeInsert[$key]['Contact_Phone'] = $Resume['Contact_Phone'][$key];
                    $ResumeInsert[$key]['communication'] = $Resume['communication'][$key];
                    $ResumeInsert[$key]['creativity'] = $Resume['creativity'][$key];
                    $ResumeInsert[$key]['team_work'] = $Resume['team_work'][$key];
                    $ResumeInsert[$key]['organizational'] = $Resume['organizational'][$key];
                    $ResumeInsert[$key]['Leadership'] = $Resume['Leadership'][$key];
                    $ResumeInsert[$key]['Productivity'] = $Resume['Productivity'][$key];
                    $ResumeInsert[$key]['Postal_Address'] = $Resume['Postal_Address'][$key];
                    $ResumeInsert[$key]['Career_objective'] = $Resume['Career_objective'][$key];
if(isset($Resume['id'][$key])){
                        //echo "update";
                        //echo $Resume['id'][$key];exit;
                        $Key_Resume__ExistIDs[]=$Resume['id'][$key];
                        $ResumeUpdate[$key]=$ResumeInsert[$key];
                        //print_r ($ResumeUpdate[$key]);exit;
                        $ResumeUpdate[$key]['resume_id']=$Resume['id'][$key];
                        unset($ResumeInsert[$key]);
                    }
                     else{
                        //echo "inset";exit;
                        $ResumeInsert[$key]['resume_id'] = $GetLastID;
                        $GetLastID++;
                    }
                }
foreach($this->input->post('resume_id') as $key =>$value ){
$ResumeInsert[$key]['resume_keyid'] = $Resume['resume_id'][$key];
                    $ResumeInsert[$key]['employer_name'] = $Resume['employer_name'][$key];
                    $ResumeInsert[$key]['start_Date'] = $Resume['start_Date'][$key];
                    $ResumeInsert[$key]['end_date'] = $Resume['end_date'][$key];
                    $ResumeInsert[$key]['type_id'] = $Resume['type_id'][$key];
                    $ResumeInsert[$key]['position'] = $Resume['position'][$key];
                    $ResumeInsert[$key]['responsibility'] = $Resume['responsibility'][$key];
                    $ResumeInsert[$key]['Skills'] = $Resume['Skills'][$key];
                    //print_r($ResumeInsert);exit;
                    
                    //print_r($Resume['employer_name'][$key]);exit;
                    
                    if(isset($Resume['id'][$key]) ){
                        //echo "update";
                        $Key_Resume__ExistIDs[]=$Resume['id'][$key];
                        $ResumeUpdate[$key]=$ResumeInsert[$key];
                        $ResumeUpdate[$key]['resume_id']=$Resume['id'][$key];
                        unset($ResumeInsert[$key]);
                    }
                     else{
                        //echo "insert";exit;
                         $ResumeInsert[$key]['resume_id'] = $GetLastID;
                        // print_r ($ResumeInsert[$key]);exit;
                         $GetLastID++;
                    } 
                }
foreach($this->input->post('resume_id1') as $key =>$value ){
                    //echo "eee";exit;
                    /*---------Start Docs Upload---------*/
                    
                        /*---------END Docs Upload---------*/
                    $Resume = $this->input->post();
                    
                    $ResumeInsert[$key]['edu_id'] = $Resume['resume_id1'][$key];
                    $ResumeInsert[$key]['year_gain'] = $Resume['year_gain'][$key];
                    $ResumeInsert[$key]['qualification_name'] = $Resume['qualification_name'][$key];
                    $ResumeInsert[$key]['institution_name'] = $Resume['institution_name'][$key];
                    $ResumeInsert[$key]['outstanding_Ach'] = $Resume['outstanding_Ach'][$key];
                    $ResumeInsert[$key]['aquired_skill'] = $Resume['aquired_skill'][$key];
                    $ResumeInsert[$key]['expiry'] = $Resume['expiry'][$key];
                    $ResumeInsert[$key]['Application_of_Skill'] = $Resume['Application_of_Skill'][$key];
                    //print_r($ResumeInsert);exit;
                    
                    //print_r($Resume['employer_name'][$key]);exit;
                    
                    if(isset($Resume['id'][$key])){
                        
                        $Key_Resume__ExistIDs[]=$Resume['id'][$key];
                        $ResumeUpdate[$key]=$ResumeInsert[$key];
                        $ResumeUpdate[$key]['resume_id']=$Resume['id'][$key];
                        unset($ResumeInsert[$key]);
                    }
                     else{
                        
                        $ResumeInsert[$key]['resume_id'] = $GetLastID;
                        $GetLastID++;
                    } 
                }
$idsToDelete='';
                if(empty($ResumeInsert) &&  empty($ResumeUpdate)){
                    //echo "delete query";exit;
                    $idsToDelete=array_diff($Key_Resume_IDs,$Key_Resume__ExistIDs);
                }
                $status=$this->Resume_model->ProcessData($idsToDelete,$ResumeUpdate,$user_id,$ResumeInsert,$imgInsert,$imgUpdate);
                    
                redirect('Resume','refresh'); 


here is my Model

PHP Code:

function ProcessData($idsToDelete,$tbl_resumeUpdate,$user_id,$tbl_resumeInsert,$imgInsert,$imgUpdate){
        $this->db->trans_start();
        if(!empty($idsToDelete)){
            $this->delete_tbl_resume($idsToDelete);
        }
        if(!empty($tbl_resumeUpdate)){
            //echo "up";exit;
            $this->update_tbl_resume($tbl_resumeUpdate);
        }
        if(!empty($tbl_resumeInsert)){
            //echo "int";exit;
            $this->insert_tbl_resume($user_id,$tbl_resumeInsert);
        }
        if(!empty($imgInsert)){
            $this->insert_tbl_file_paths($imgInsert);
        }
        if(!empty($imgUpdate)){
            $this->update_tbl_file_paths($imgUpdate);
        }
        return $this->db->trans_complete();
    }
function insert_tbl_resume($id,$arrtbl_resume){
        //$a = $this->db->insert_batch('tbl_resume', $arrtbl_resume); 
        //echo $this->db->last_query();exit;
        $this->db->insert_batch('tbl_resume', $arrtbl_resume); 
        
    }
    function update_tbl_resume($arrtbl_resume){
        
         $this->db->update_batch('tbl_resume', $arrtbl_resume, 'resume_id');
         //$a = $this->db->update_batch('tbl_resume', $arrtbl_resume, 'resume_id');
         //echo $this->db->last_query();exit;
         //print_r ($arrtbl_resume);exit;
    } 


im very Confuse About This code ! last form's data deleted when im going to insert/update any form

please any help?