wp-includes/blocks/widget-group.php:89Clear whatever we set in note_sidebar_being_rendered() after WordPress finishes rendering a sidebar.
function discard_sidebar_being_rendered() { global $_sidebar_being_rendered; unset( $_sidebar_being_rendered );}Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks/widget-group.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.