The is_active_widget() WordPress PHP function determines whether a given widget is displayed on the front end.
Usage
is_active_widget($callback, $widget_id, $id_base, $skip_inactive);
Parameters
$callback
(callable|false) – Optional. Widget callback to check. Default: false$widget_id
(string|false) – Optional. Widget ID. Optional, but needed for checking. Default: false$id_base
(string|false) – Optional. The base ID of a widget created by extending WP_Widget. Default: false$skip_inactive
(bool) – Optional. Whether to check in ‘wp_inactive_widgets’. Default: true
More information
See WordPress Developer Resources: is_active_widget()
Examples
Check if a specific widget is active
This example checks if a widget with the given $callback
function is active.
if (is_active_widget(false, false, 'my_custom_widget', true)) { // Do something if the widget is active }
Check if a widget with a specific ID is active
This example checks if a widget with the given $widget_id
is active.
if (is_active_widget(false, 'my_widget_id', false, true)) { // Do something if the widget is active }
Load a script when a specific widget is active
This example enqueues a script only when a widget with the given $id_base
is active.
if (is_active_widget(false, false, 'my_widget_base', true)) { wp_enqueue_script('jquery'); }
Check if a widget is active, including inactive widgets
This example checks if a widget with the given $id_base
is active, including inactive widgets.
if (is_active_widget(false, false, 'my_widget_base', false)) { // Do something if the widget is active }
Check if any widget with a specific callback is active
This example checks if any widget with the given $callback
function is active.
if (is_active_widget('my_widget_callback', false, false, true)) { // Do something if the widget is active }