file_upload

        $foto['allowed_types']   = 'jpg|png|jpeg';
        $foto['detect_mime']     = TRUE;
        $foto['overwrite']       = TRUE;
        $foto['file_name']       = str_replace(' ', '-', $this->input->post('nama',TRUE)).'_'.str_replace(' ', '-', tgl_indo(date('Y-m-d')));
        if($this->input->post('j_k') == 'L'){
            $foto['upload_path']     = './assets/upload/ikhwan';
        }else if($this->input->post('j_k') == 'P'){
            $foto['upload_path']     = './assets/upload/akhwat';
        }

        $this->load->library('upload', $foto);
        $fileExt = pathinfo($_FILES["foto"]["name"], PATHINFO_EXTENSION);

        if(! $this->upload->do_upload("foto")){
            $this->data['foto_error'] = 0;
            $this->data['foto']       = $this->upload->display_errors('','');
        } else {
            $this->data['foto_error'] = 1;
            $this->data['foto']       = $this->upload->data('file_name');
        }

            $foto_ktm['allowed_types']   = 'jpg|png|jpeg';
            $foto_ktm['overwrite']       = TRUE;
            $foto_ktm['file_name']       = str_replace(' ', '-', $this->input->post('nama',TRUE)).'_'.str_replace(' ', '-', tgl_indo(date('Y-m-d')));
            if($this->input->post('j_k') == 'L'){
                $foto_ktm['upload_path']     = './assets/upload/ikhwan/ktm';
            }else if($this->input->post('j_k') == 'P'){
                $foto_ktm['upload_path']     = './assets/upload/akhwat/ktm';
            }
            $this->upload->initialize($foto_ktm);
            if(! $this->upload->do_upload("foto_ktm")){
                $this->data['foto_ktm_error'] = 0;
                $this->data['foto_ktm']       = $this->upload->display_errors('','');
            } else {
                $this->data['foto_ktm_error'] = 1;
                $this->data['foto_ktm']       = $this->upload->data('file_name');
            }

            if (isset($_FILES['sertifikat_ldik']['name']) && !empty($_FILES['sertifikat_ldik']['name'])) {
                $sertifikat_ldik['allowed_types']   = '*';
                $sertifikat_ldik['overwrite']       = TRUE;
                $sertifikat_ldik['file_name']       = str_replace(' ', '-', $this->input->post('nama',TRUE)).'_'.str_replace(' ', '-', tgl_indo(date('Y-m-d')));

                if($this->input->post('j_k') == 'L'){
                    $sertifikat_ldik['upload_path']     = './assets/upload/ikhwan/sertifikat';
                }else if($this->input->post('j_k') == 'P'){
                    $sertifikat_ldik['upload_path']     = './assets/upload/akhwat/sertifikat';
                }
                $this->upload->initialize($sertifikat_ldik);
                if(! $this->upload->do_upload("sertifikat_ldik")){
                    $this->data['sertifikat_error'] = 0;
                    $this->data['sertifikat']       = $this->upload->display_errors('','');
                } else {
                    $this->data['sertifikat_error'] = 1;
                    $this->data['sertifikat']       = $this->upload->data('file_name');
                }
            }


            if ($this->form_validation->run() == FALSE || $this->input->post('noHP') === $this->input->post('noHP_Ayah') || $this->data['foto_error'] == 0 || $this->data['foto_ktm_error'] == 0 || $this->data['sertifikat_error'] == 0) {
                $data = array(
                    'foto_' => $fileExt,
                );

                if($this->data['sertifikat_error'] == 0){
                    $data['sertifikat_ldik'] = $this->data['sertifikat'];
                }

                if($this->data['foto_error'] == 0){
                    $data['foto'] = $this->data['foto'];
                }
            }