Online PHP editor | refs for poM2C

<?php $date_object = new DateTime('2011-04-24'); echo "Today: ".date('Y-m-d').PHP_EOL. "Yesterday: ".date('Y-m-d', mktime(0, 0, 0, date("m"), date("d")-1, date("Y"))).PHP_EOL. "42 days ago: ".date('Y-m-d', mktime(0, 0, 0, date("m"), date("d")-42, date("Y"))).PHP_EOL. "OP's date: ".date('Y-m-d', mktime(0, 0, 0, $date_object->format("m"), $date_object->format("d")-1, $date_object->format("Y") ) );