The newest XenWord version is being developed to use the Composer autoload feature.
The wp_get_recent_posts is an easy function to pull WordPress posts. Adding the category argument to the array allows articles matching the particular category will be shown.
The summation of meta_values in the post meta was accomplished through the get_posts, array_push, and array_sum.
The example provided on the WordPress Codex page didn't help explain why a developer should use setup_postdata().
The bootstrap file for WordPress plugins can be done in many different ways. I recently changed the PHP file but am always on the lookout for a better way.
The function get_plugin_data can be used to grab information in the comment block of a plugin bootstrap file if the user browser points to the administration area of WordPress.
27% of the websites on the web use WordPress. It's a great place to begin learning PHP and to practice writing code.