wp-includes/class-wp-admin-bar.php:510$nodeobject final protected function _render_group( $node, $menu_title = false ) { if ( 'container' === $node->type ) { $this->_render_container( $node ); return; } if ( 'group' !== $node->type || empty( $node->children ) ) { return; } if ( ! empty( $node->meta['class'] ) ) { $class = ' class="' . esc_attr( trim( $node->meta['class'] ) ) . '"'; } else { $class = ''; } if ( empty( $menu_title ) ) { echo "<ul role='menu' id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$class>"; } else { echo "<ul role='menu' aria-label='" . esc_attr( $menu_title ) . "' id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$class>"; } foreach ( $node->children as $item ) { $this->_render_item( $item ); } echo '</ul>'; }Introduced in 3.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-admin-bar.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.