WordPress News, Hacks, Tips, Tutorials, Plugins and Themes
There are several ways to integrate search function into a theme for WordPresss, usually built in a template, which is included into the theme. This is not in all cases necessary and can also be realized by using a WordPress template tag.
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WordPress has an internal cache, also for extensions can be used. There are various functions available and you don’t have to create something new, you can easily use the cache functionality of WordPress.
To get to know and understand the features a little bit, I use a small example, therefore I cache in the following tutorial a feed, which should be displayed in the frontend.
All functions of cache are in the Codex by WordPress listed, so a look at the Codex is worthwhile if you deal with the syntax.
The first cache solution came with WordPress 2.3 and was file based. The cache was optional and had some parameters to configure.
You were able to activate via following constant: define ( 'ENABLE_CACHE', true);
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Since WordPress 2.8, there is a new Widget API. In our post Build A WordPress 2.8 Widget With The New Widget API, I have used a simple example to describe how to build a Widget. This time Heiko and I’ve created something more complex.
WordPress is based on the so-called Hook-System. This serves WordPress, and all extensions to involve functions in a certain place. The Hooks are not only to hook, but can also be used in custom extensions and thus create a better overview and offer additional interfaces for more possibilities to develop. Especially the second option is interesting when you create a theme, which aims to offer a variety of interfaces, or create a Plugin which can be expand by other authors or serve as a framework.
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In the past I explained in the article „How To Improve WordPress Plugins“ , how you can expand Plugins with useful functions and therefore optimize their usage. One of the suggestions was a simple link to the options page of your Plugin.
With WordPress 2.8 the Plugin page will be a little bit different and now there will be a hook, which you can use to enter a link, which is even more convenient.
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From time to time you need data from WordPress, but should not displayed in the system; they are necessary outside the installation. There are basically two options. Content can be quite easy provide via feed and processed or you gain access to the system. And that is basically very simple and is briefly described here.
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