Retrieves a list of category objects.

Retrieves a category based on URL containing the category slug.

Retrieves header image for custom header.

Retrieves the custom header text color in 3- or 6-digit hexadecimal form.

Retrieves bookmark data based on ID.

Gets the name of category by ID.

Gets an array of link objects associated with category n.

Gets an array of link objects associated with category $cat_name.

Legacy function that retrieved the value of a link’s link_rating field.

Gets the links associated with category by ID.