function is_leap_year($year) { return ((($y % 4) == 0) && ((($y % 100) != 0) || (($y % 400) == 0)));}foreach (range(1999, 2009) as $year) { echo "{$year} = ", is_leap_year($year) ? 'Leap Year' : 'not', '';}?>
{$year} = ", is_leap_year($year) ? 'Leap Year' : 'not', '