Function: Parse the WordPress core version number

Function: Return the rewrite rules class being used to interact with URLs.

Function: Get the root URL

Function: Get the slug used for paginated requests

Function: Is the environment using pretty URLs?

Function: Lookup and return a global variable

Function: Get the `$wp_query` global without needing to declare it everywhere

Function: Get the `$wp_roles` global without needing to declare it everywhere

Function: Return the database class being used to interface with the environment.

Function: Setup Admin