do_action_ref_array( 'in_widget_form', WP_Widget $this, null $return, array $instance )

Fires at the end of the widget control form.


Description

Use this hook to add extra fields to the widget form. The hook is only fired if the value passed to the ‘widget_form_callback’ hook is not false.

Note: If the widget has no form, the text echoed from the default form method can be hidden using CSS.


Parameters

$this

The widget instance (passed by reference).

$return

Return null if new fields are added.

$instance

An array of the widget's settings.


Source

File: wp-includes/class-wp-widget.php

View on GitHub



Changelog

Changelog
Version Description
WP-2.8.0 Introduced.