adjacent_post_link

Source code

function adjacent_post_link($format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true) {

	if ( $previous && is_attachment() )

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

	else

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



	if ( !$post )

		return;



	$title = $post->post_title;



	if ( empty($post->post_title) )

		$title = $previous ? __('Previous Post') : __('Next Post');



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

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

	$rel = $previous ? 'prev' : 'next';



	$string = '<a href="'.get_permalink($post).'" rel="'.$rel.'">';

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

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

	$link = $string . $link . '</a>';



	$format = str_replace('%link', $link, $format);



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

	echo apply_filters( "{$adjacent}_post_link", $format, $link );