Online PHP editor | refs for D8jIG

@ 2013-09-11T15:25:57Z

<?php
class SerialDateTime extends DateTime implements JsonSerializable{

	public function jsonSerialize(){
		return $this->getTimestamp();
	}
}

$x = SerialDateTime::createFromFormat('m', 4);
$y = new SerialDateTime;

echo json_encode([$x,$y]);