Online PHP editor | refs for I5eTn

<?php $date_day_start = date('Y-m-d', strtotime($date_requested . "-1 day")); $date_month_start = date("Y-m-t", strtotime($date_requested . "-1 month")); $date_year_start = date("Y-01-01", strtotime($date_requested)); $date_end = date('Y-m-d', strtotime($date_requested . "+1 day")); echo "periods: $date_day_start - $date_end | $date_month_start | $date_year_start";