What function do you use to programmatically update a post?

Does WordPress have official unit tests?

What is the correct function for registering custom taxonomies?

is_single is used to get which of the following?

Which global object should you use if you'd like to interact with the WordPress database directly?

Which wp-config.php constant defines the path for your content folder?

In the case of a free WordPress.com blog, the number of users that can be invited by a registered user is:

Which function displays a login link?

To improve WordPress security it is advisable to completely remove your WordPress version number from both your head file and RSS feeds. Which of the following methods achieves this.

When using the WordPress Settings API to create a custom settings screen, which function is used to output the settings sections and fields?

What WordPress function allows you to add an RSS feed to your template?