wp_register_widget_control( int|string $id, string $name, callable $control_callback, array $options = array(), mixed $params )

Registers widget control callback for customizing options.

Contents

Parameters

$id int|string Required
Sidebar ID.
$name string Required
Sidebar display name.
$control_callback callable Required
Run when sidebar is displayed.
$options array Optional
Array or string of control options.
  • height int
    Never used. Default 200.
  • width int
    Width of the fully expanded control form (but try hard to use the default width).
    Default 250.
  • id_base int|string
    Required for multi-widgets, i.e widgets that allow multiple instances such as the text widget. The widget ID will end up looking like {$id_base}-{$unique_number}.

Default: array()

$params mixed Optional
additional parameters to pass to the callback function when it's called.

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Source

File: wp-includes/widgets.php. View all references 

function wp_register_widget_control( $id, $name, $control_callback, $options = array(), ...$params ) {
	global $wp_registered_widget_controls, $wp_registered_widget_updates, $wp_registered_widgets, $_wp_deprecated_widgets_callbacks;

	$id      = strtolower( $id );
	$id_base = _get_widget_id_base( $id );

	if ( empty( $control_callback ) ) {
		unset( $wp_registered_widget_controls[ $id ] );
		unset( $wp_registered_widget_updates[ $id_base ] );
		return;
	}

	if ( in_array( $control_callback, $_wp_deprecated_widgets_callbacks, true ) && ! is_callable( $control_callback ) ) {
		unset( $wp_registered_widgets[ $id ] );
		return;
	}

	if ( isset( $wp_registered_widget_controls[ $id ] ) && ! did_action( 'widgets_init' ) ) {
		return;
	}

	$defaults          = array(
		'width'  => 250,
		'height' => 200,
	); // Height is never used.
	$options           = wp_parse_args( $options, $defaults );
	$options['width']  = (int) $options['width'];
	$options['height'] = (int) $options['height'];

	$widget = array(
		'name'     => $name,
		'id'       => $id,
		'callback' => $control_callback,
		'params'   => $params,
	);
	$widget = array_merge( $widget, $options );

	$wp_registered_widget_controls[ $id ] = $widget;

	if ( isset( $wp_registered_widget_updates[ $id_base ] ) ) {
		return;
	}

	if ( isset( $widget['params'][0]['number'] ) ) {
		$widget['params'][0]['number'] = -1;
	}

	unset( $widget['width'], $widget['height'], $widget['name'], $widget['id'] );
	$wp_registered_widget_updates[ $id_base ] = $widget;
}

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Changelog

Changelog
Version Description
5.3.0 Formalized the existing and already documented ...$params parameter by adding it to the function signature.
2.2.0 Introduced.

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