Clears the directory where this item is going to be installed into.

Makes private/protected methods readable for backward compatibility.

Prepares the query variables.

Gets the name of the default primary column.

PHP4 constructor.

PHP5 constructor.

PHP4 constructor.

Encapsulate the logic for sticking a post and determining if the user has permission to do so

Checks an attachment being deleted to see if it’s a header or background image.

Marks a constructor as deprecated and informs when it has been used.