<?php // Settlement, Maturity, Frequency, Basis, Result return [ [ '25-Jan-2007', '15-Nov-2008', 2, 1, 39036, ], [ '2011-01-01', '2012-10-25', 4, 40476, ], [ 'Invalid Date', '15-Nov-2008', 2, 1, '#VALUE!', ], [ '25-Jan-2007', 'Invalid Date', 2, 1, '#VALUE!', ], [ '25-Jan-2007', '15-Nov-2008', 3, 1, '#NUM!', ], ];