getPageSize() public method
Returns the number of items per page. By default, this method will try to determine the page size by $pageSizeParam in $params. If the page size cannot be determined this way, $defaultPageSize will be returned. See also $pageSizeLimit.
public integer getPageSize ( )return integer
The number of items per page. If it is less than 1, it means the page size is infinite, and thus a single page contains all items.