_wp_sidebars_changed()

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Handle sidebars config after theme change

Source

File: wp-includes/widgets.php 

function _wp_sidebars_changed() {
	global $sidebars_widgets;

	if ( ! is_array( $sidebars_widgets ) ) {
		$sidebars_widgets = wp_get_sidebars_widgets();
	}

	retrieve_widgets( true );
}

Uses

Uses Description
wp-includes/widgets.php: retrieve_widgets()

Look for “lost” widgets, this has to run at least on each theme change.
wp-includes/widgets.php: wp_get_sidebars_widgets()

Retrieve full list of sidebars and their widget instance IDs.

Changelog

Version Description
3.3.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_wp_sidebars_changed