Undolog.com

WordPress offers many ways to access the names of folders and build new ones. Here's a useful list with examples performed, to be more clear, from a subfolder located in a hypothetical plugin:

Plugins

We begin with plugins_url() used to determine and build url when you write a plugin.

plugins_url ()

More ...

negli argomenti passati negli inputs. Through get_posts() you can select a sequence of exact post using the parameter post__in in arguments over the past inputs. . The order, however, is not consistent with the sequence indicated as WordPress performs checks on the clause ORDER BY in the select statement, even though version 2.8 is available from the value of none .

More ...

I was asked what the advantage or disadvantage in the use of anonymous functions or inline (or onfly), used heavily in Javascript, and now with 5.3, also in PHP.
An inline function, or anonymous because he has not - in fact - a name, is a quick way to write some procedures, indenting tree sequences callback example. Almost all languages ​​support functions of this writing, to limit each with its peculiarities and restrictions. They may also have different names and syntax details, such as the so-called blocks in Objective-C.

More ...

Working with a Custom Post Type ( CPT ) is natural to use the internal functions of WordPress to view and filter the posts of this type. , risulta comodissimo poter creare loop personali sulle proprie tipologie di post. Whether using the get_posts() is that you create an object directly WP_Query , it's very comfortable to create loops on their personal types of posts. WordPress also allows for filters for personal tassionomie, on the count, order, progressing to meta data. Useful, in fact, is the process that allows you to specify the conditions where that kind of meta data and compare it with rules.

More ...

The year 2012 began with a few hours of deep-debugging because of two (known) bugs pretty annoying. , con la globale (e famosa) omonima istanza $wpdb . The first, among other things quite dated, present in the core of WordPress that relates to the method update() of the class wpdb , with the global (and popular) homonymous instance $wpdb . The defect appears when you try to update a field to NULL . Despite numerous complaints, the WordPress development team does not seem to find solution to the annoying problem. Indeed, to date, the only solution is to write the SQL for your account.

More ...

When adding fields to add pages and posts, or to get Custom Post Type ( CTP ), you have to record an action to save these new data. The implementation of this procedure is essentially always the same, changing only the fields and how to save, the extra data can reside in the 'custom field', or the table post meta, or on a personal or more tables.

More ...

If you recorded your own Custom Post Type ( CPT ), especially if you type 'page', you could serve to determine if you are viewing that particular page, the 'single' so to speak. . In this case it is useless to try is_page() or is_page_template() . The clean solution is as follows:

More ...

With WordPress 3.3 also jQuery and all its modules have been aligned. Now it is possible to access the new list of modules in the latest release 3.3, such as the autocomplete. Here's a snippet for a good inclusion:

More ...

Now that WordPress allows you to create types of custom post (CPT), it becomes useful to be able to add our styles and our script when you view or edit our posts. The best way to do that is compatible with release 3.3 is the following:

More ...

WordPress allows you to associate a thumbnail to a post , personalized page or post. , che restituiscono il completo tag img , risulta meno intuitivo come ottenere il solo link: If the entire image is easy to extract from the code, thanks to features the_post_thumbnail() or get_the_post_thumbnail , that return the full tag img , is less intuitive as to just the link:

More ...