Retrieves the widget ID base value.

Determines whether core should be updated.

Translates and retrieves the singular or plural form based on the supplied number.

Translates and retrieves the singular or plural form based on the supplied number, with gettext context.

Registers plural strings with gettext context in POT file, but does not translate them.

Registers the form callback for a widget.

Registers the update callback for a widget.

Retrieve translated string with gettext context.

Adds a new option for the current network.

Displays the relational links for the posts adjacent to the current post.