render_block_core_navigation_link( array $attributes, string $content, WP_Block $block ): string

170function render_block_core_navigation_link( $attributes, $content, $block ) {171	// Check if this navigation item should render based on post status.172	if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN ) {173		if ( ! gutenberg_block_core_shared_navigation_item_should_render( $attributes, $block ) ) {174			return '';175		}176	}177 178	// Don't render the block's subtree if it has no label.179	if ( empty( $attributes['label'] ) ) {180		return '';181	}182 183	$font_sizes      = block_core_navigation_link_build_css_font_sizes( $block->context );184	$classes         = array_merge(185		$font_sizes['css_classes']186	);187	$style_attribute = $font_sizes['inline_styles'];188 189	// Render inner blocks first to check if any menu items will actually display.190	$inner_blocks_html = '';191	foreach ( $block->inner_blocks as $inner_block ) {192		$inner_blocks_html .= $inner_block->render();193	}194	$has_submenu = ! empty( trim( $inner_blocks_html ) );195 196	$css_classes = trim( implode( ' ', $classes ) );197	$kind        = empty( $attributes['kind'] ) ? 'post_type' : str_replace( '-', '_', $attributes['kind'] );198	$is_active   = ! empty( $attributes['id'] ) && get_queried_object_id() === (int) $attributes['id'] && ! empty( get_queried_object()->$kind );199 200	if ( is_post_type_archive() && ! empty( $attributes['url'] ) ) {201		$queried_archive_link = get_post_type_archive_link( get_queried_object()->name );202		if ( $attributes['url'] === $queried_archive_link ) {203			$is_active = true;204		}205	}206 207	$wrapper_attributes = get_block_wrapper_attributes(208		array(209			'class' => $css_classes . ' wp-block-navigation-item' . ( $has_submenu ? ' has-child' : '' ) .210				( $is_active ? ' current-menu-item' : '' ),211			'style' => $style_attribute,212		)213	);214	$html               = '<li ' . $wrapper_attributes . '>' .215		'<a class="wp-block-navigation-item__content" ';216 217	// Start appending HTML attributes to anchor tag.218	if ( isset( $attributes['url'] ) ) {219		$html .= ' href="' . esc_url( block_core_navigation_link_maybe_urldecode( $attributes['url'] ) ) . '"';220	}221 222	if ( $is_active ) {223		$html .= ' aria-current="page"';224	}225 226	if ( isset( $attributes['opensInNewTab'] ) && true === $attributes['opensInNewTab'] ) {227		$html .= ' target="_blank"  ';228	}229 230	if ( isset( $attributes['rel'] ) ) {231		$html .= ' rel="' . esc_attr( $attributes['rel'] ) . '"';232	} elseif ( isset( $attributes['nofollow'] ) && $attributes['nofollow'] ) {233		$html .= ' rel="nofollow"';234	}235 236	if ( isset( $attributes['title'] ) ) {237		$html .= ' title="' . esc_attr( $attributes['title'] ) . '"';238	}239 240	// End appending HTML attributes to anchor tag.241 242	// Start anchor tag content.243	$html .= '>' .244		// Wrap title with span to isolate it from submenu icon.245		'<span class="wp-block-navigation-item__label">';246 247	if ( isset( $attributes['label'] ) ) {248		$html .= wp_kses_post( $attributes['label'] );249	}