Retrieves the number of posts a user has written.

Get users for the site.

Unused function.

Scale down an image to fit a particular size and save a new copy of the image.

Display relational link for the site index.

Checks if the current user belong to a given site.

Determines whether the current URL is within the comments popup window.

Determines whether the current admin page is generated by a plugin.

Checks that the taxonomy name exists.

Check if Term exists.