Edit user settings based on contents of $_POST

Retrieves all category IDs.

Get a list of page IDs.

Retrieves the approved comments for post $post_id.

Retrieve attached file path based on attachment ID.

Retrieve HTML content of icon attachment image element.

Retrieve HTML content of image element.

Retrieves the permalink for an attachment.

Retrieve path of attachment template in current or parent template.

Get category object for given ID and ‘edit’ filter context.