getNextItem() : array|NULL
Should retrieve the next row of the result set.
This method is used to iterate over the result set.
Database Cursor Interface.
A cursor is used by Query Writers to fetch Query Result rows one row at a time. This is useful if you expect the result set to be quite large. This interface describes the API of a database cursor. There can be multiple implementations of the Cursor, by default RedBeanPHP offers the PDOCursor for drivers shipping with RedBeanPHP and the NULLCursor.