Filters whether a dynamic sidebar is considered "active".
$is_active_sidebarbool$indexint|stringwp-includes/widgets.php:997is_active_sidebar() * @since 3.9.0 * * @param bool $is_active_sidebar Whether or not the sidebar should be considered "active". * In other words, whether the sidebar contains any widgets. * @param int|string $index Index, name, or ID of the dynamic sidebar. */ return apply_filters( 'is_active_sidebar', $is_active_sidebar, $index );} //// Internal Functions.//Introduced in 3.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.