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function is not described

WP_Customize_Widgets::tally_sidebars_via_is_active_sidebar_calls() public WP 3.9.0

Tallies the sidebars rendered via is_active_sidebar().

Keep track of the times that is_active_sidebar() is called in the template, and assume that this means that the sidebar would be rendered on the template if there were widgets populating it.

{} It's a method of the class: WP_Customize_Widgets{}

No Hooks.

Return

true/false. Whether the sidebar is active.

Usage

$WP_Customize_Widgets = new WP_Customize_Widgets();
$WP_Customize_Widgets->tally_sidebars_via_is_active_sidebar_calls( $is_active, $sidebar_id );
$is_active(true/false) (required)
Whether the sidebar is active.
$sidebar_id(string) (required)
Sidebar ID.

Changelog

Since 3.9.0 Introduced.

Code of WP_Customize_Widgets::tally_sidebars_via_is_active_sidebar_calls() WP 5.5.1

<?php
public function tally_sidebars_via_is_active_sidebar_calls( $is_active, $sidebar_id ) {
	if ( is_registered_sidebar( $sidebar_id ) ) {
		$this->rendered_sidebars[ $sidebar_id ] = true;
	}

	/*
	 * We may need to force this to true, and also force-true the value
	 * for 'dynamic_sidebar_has_widgets' if we want to ensure that there
	 * is an area to drop widgets into, if the sidebar is empty.
	 */
	return $is_active;
}