Николай

function _page_crumbs( $post ){
		$parent = $post->post_parent;

		$crumbs = array();
		while( $parent ){
			$page = get_post( $parent );

			$my_title = get_field('my_title_field', $page->ID);
			$post_title = esc_html($page->post_title);
			$title = ($post_title != $my_title  && !empty($my_title)) ? $my_title  :  $post_title;

			$crumbs[] = sprintf( $this->arg->linkpatt, get_permalink($page), esc_html($title) );
			$parent = $page->post_parent;
		}

		return implode( $this->arg->sep, array_reverse($crumbs) );
	}

function _add_title( $add_to, $obj, $term_title = '' ){
		$arg = & $this->arg; // упростим...
		$title = $term_title ? $term_title : esc_html($obj->post_title); 
		$show_title = $term_title ? $arg->show_term_title : $arg->show_post_title;
		
		$my_title_field = get_field('my_title_field');
		$title = ($title != $my_title_field && !empty($my_title_field)) ? $my_title_field : $title;

		// пагинация
		if( $arg->pg_end ){
			$link = $term_title ? get_term_link($obj) : get_permalink($obj);
			$add_to .= ($add_to ? $arg->sep : '') . sprintf( $arg->linkpatt, $link, $title ) . $arg->pg_end;
		}
		// дополняем - ставим sep
		elseif( $add_to ){
			if( $show_title )
				$add_to .= $arg->sep . sprintf( $arg->title_patt, $title );
			elseif( $arg->last_sep )
				$add_to .= $arg->sep;
		}
		// sep будет потом...
		elseif( $show_title )
			$add_to = sprintf( $arg->title_patt, $title );

		return $add_to;
	}