Save Function

    function save_profile_data(){
        if( $profile = $this->input->post('profile') ){
                $user = $this->input->post('user_id');
                $user = get_userdata($user);
                $profile = $this->data_model->add_profile_meta($profile);

                if(isset($_FILES['member_photo']) && !empty($_FILES['member_photo']['name'] ) ){
                    $overrides = array( 'test_form' => false);
                    $file=wp_handle_upload($_FILES['member_photo'], $overrides);
                    $filename = $file['file'];
                    $attachment_id = $this->add_attachment($filename);
                    update_user_meta($user->ID, 'member_photo', $attachment_id );
                }

                if(isset($_FILES['company_logo']) && !empty( $_FILES['company_logo']['name'] ) ){
                    $overrides = array( 'test_form' => false);
                    $file=wp_handle_upload($_FILES['company_logo'], $overrides);
                    $filename = $file['file'];
                    $attachment_id = $this->add_attachment($filename);
                    update_user_meta($user->ID, 'company_logo', $attachment_id );
                }
        }
    }