/**
  * META-BOX CONTENT - Display Customer's account informations in administration panel
  */
 function wps_customer_account_informations()
 {
     global $post;
     $wps_account = new wps_account_ctr();
     $output = $wps_account->display_account_informations($post->post_author);
     echo $output;
 }
 function ajax_get_login_form()
 {
     $wps_account_ctr = new wps_account_ctr();
     echo $wps_account_ctr->get_login_form();
     wp_die();
 }
					<div id="<?php 
            echo $signup_field->code;
            ?>
" class="wps-form"><?php 
            echo $attribute_output_def['output'];
            echo $attribute_output_def['options'];
            ?>
</div>
				</div>
			<?php 
        }
    }
}
?>
		<?php 
$wps_account_ctr = new wps_account_ctr();
echo $wps_account_ctr->display_commercial_newsletter_form();
?>
	</form>
	<div class="wps-form-group">
		<?php 
do_action('signup_extra_fields');
?>
	</div>
	<div class="wps-form-group">
		<button class="wps-bton-first-alignRight-rounded" id="wps_account_form_button"><?php 
_e('Save', 'wpshop');
?>
</button>
	</div>
</div>
 /**
  * AJAX - Refresh customer informations
  */
 function wps_order_refresh_customer_informations()
 {
     $status = false;
     $account = $addresses = '';
     $customer_id = !empty($_POST['customer_id']) ? intval($_POST['customer_id']) : null;
     $order_id = !empty($_POST['order_id']) ? intval($_POST['order_id']) : null;
     if (!empty($customer_id)) {
         $order_metadata = get_post_meta($order_id, '_order_postmeta', true);
         if (!empty($order_metadata)) {
             $order_metadata['customer_id'] = $customer_id;
             update_post_meta($order_id, '_order_postmeta', $order_metadata);
         }
         // Selected customer informations
         $wps_account = new wps_account_ctr();
         $account = $wps_account->display_account_informations($customer_id);
         $wps_address = new wps_address();
         $addresses = $wps_address->display_addresses_interface($customer_id, true, $order_id);
         $status = true;
     }
     echo json_encode(array('status' => $status, 'account' => $account, 'addresses' => $addresses));
     wp_die();
 }