wp-includes/class-wp-admin-bar.php:198Gets a node.
$idstringobject|null final public function get_node( $id ) { $node = $this->_get_node( $id ); if ( $node ) { return clone $node; } return null; }Introduced in 3.3.0. One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
object|void to object|null.verified against sourcesrc/wp-includes/class-wp-admin-bar.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.