get_boundary_post_rel_link( string $title = '%title', bool $in_same_cat = false, string $excluded_categories = '', bool $start = true ): string

2690function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) {2691	_deprecated_function( __FUNCTION__, '3.3.0' );2692 2693	$posts = get_boundary_post($in_same_cat, $excluded_categories, $start);2694	// If there is no post, stop.2695	if ( empty($posts) )2696		return;2697 2698	// Even though we limited get_posts() to return only 1 item it still returns an array of objects.2699	$post = $posts[0];2700 2701	if ( empty($post->post_title) )2702		$post->post_title = $start ? __('First Post') : __('Last Post');2703 2704	$date = mysql2date(get_option('date_format'), $post->post_date);2705 2706	$title = str_replace('%title', $post->post_title, $title);2707	$title = str_replace('%date', $date, $title);2708	/** This filter is documented in wp-includes/post-template.php */2709	$title = apply_filters('the_title', $title, $post->ID);2710 2711	$link = $start ? "<link rel='start' title='" : "<link rel='end' title='";2712	$link .= esc_attr($title);2713	$link .= "' href='" . get_permalink($post) . "' />\n";2714 2715	$boundary = $start ? 'start' : 'end';2716	return apply_filters( "{$boundary}_post_rel_link", $link );2717}