wp-includes/blocks/navigation.php:189Returns the markup for a single inner block.
$inner_blockWP_Blockstring private static function get_markup_for_inner_block( $inner_block ) { $inner_block_content = $inner_block->render(); if ( ! empty( $inner_block_content ) ) { if ( static::does_block_need_a_list_item_wrapper( $inner_block ) ) { return '<li class="wp-block-navigation-item">' . $inner_block_content . '</li>'; } } return $inner_block_content; }Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks/navigation.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.