next_post( string $format = '%', string $next = 'next post: ', string $title = 'yes', string $in_same_cat = 'no', int $limitnext = 1, string $excluded_categories = '' )

174function next_post($format='%', $next='next post: ', $title='yes', $in_same_cat='no', $limitnext=1, $excluded_categories='') {175	_deprecated_function( __FUNCTION__, '2.0.0', 'next_post_link()' );176 177	if ( empty($in_same_cat) || 'no' == $in_same_cat )178		$in_same_cat = false;179	else180		$in_same_cat = true;181 182	$post = get_next_post($in_same_cat, $excluded_categories);183 184	if ( !$post	)185		return;186 187	$string = '<a href="'.get_permalink($post->ID).'">'.$next;188	if ( 'yes' == $title )189		/** This filter is documented in wp-includes/post-template.php */190		$string .= apply_filters('the_title', $post->post_title, $post->ID);191	$string .= '</a>';192	$format = str_replace('%', $string, $format);193	echo $format;194}