Creating a tree-type index of pages or TOC using wp_list_pages function

WordPress has the hability to works with nuclear posts and also with posts that can contain posts, ie, posts with hierarchical structure. Today we’re going to see how to create an list of the second ones, as an index of pages, Table of contents (TOC), etc.

Panzerbaum

As default, WordPress supports two different kinds of elements: posts and pages. The basic difference between them is that the first ones, are treated as individual elements, organized in a long linear list of elements (like the natural numbers 1, 2, 3, 4, for example) meanwhile the second ones have got a hierachical structure, ie, each element can contain elements that have also got hierarchical structure. Continue reading…

How to detect when get_template_part() WordPress function fails

Nowadays, in most of modern WordPress themes, the function get_template_part() is one of their essential elements. It just takes review the structure of, for example the last official themes (…, Fourteen, Fifteen, Sixteen), to realize that WordPress themes have evolved, from a structure quite monolitic to a structure driven by content and formats. And one of the keys to this evolution is the get_template_part () function.

silent diversity

get_template_part() it’s actually an invaluable element of any modern WordPress theme that through its two parameters allows us to select dynamically what .php file (what part) is going to be loaded for displaying the current page (see the official documentation for further information) however, one of its characteristics is that Continue reading…

Showing posts with different templates, the “single_template” filter

Habitualy, the WordPress template hierarchy for posts, uses a simple descendant decision tree for choosing which single_template.php file is going to be used for showing a single post. This decision tree is quite usefull so that, simply creating a .php file called like single, single-posttype, etc., it’s possible to control very accurately which template will be used for showing data.

Normal Decision Tree for Single Elements

However, in contrast of pages that each one can have its own template, ie, they have a very flexible decision rules, choosing the templates for posts is ruled by criterias more restrictive based in sets of elements Continue reading…