get_adjacent_post_rel_link

Source code

function get_adjacent_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $previous = true) {

	if ( $previous && is_attachment() && is_object( $GLOBALS['post'] ) )

		$post = & get_post($GLOBALS['post']->post_parent);

	else

		$post = get_adjacent_post($in_same_cat,$excluded_categories,$previous);



	if ( empty($post) )

		return;



	if ( empty($post->post_title) )

		$post->post_title = $previous ? __('Previous Post') : __('Next Post');



	$date = mysql2date(get_option('date_format'), $post->post_date);



	$title = str_replace('%title', $post->post_title, $title);

	$title = str_replace('%date', $date, $title);

	$title = apply_filters('the_title', $title, $post->ID);



	$link = $previous ? "<link rel='prev' title='" : "<link rel='next' title='";

	$link .= esc_attr( $title );

	$link .= "' href='" . get_permalink($post) . "' />\n";



	$adjacent = $previous ? 'previous' : 'next';

	return apply_filters( "{$adjacent}_post_rel_link", $link );