<!-- Collection of code snippets by Arne Vajhøj -->
<!-- (likely posted to comp.os.vms/INFO-VAX, INFO-TPU, MACRO32, eksperten.dk, newz.dk, LinkedIn or other place sometime between 1990 and now) -->
<?php

function in_between($ds1, $ds2) {
	$d1 = DateTime::createFromFormat('d-m-Y', $ds1);
	$d2 = DateTime::createFromFormat('d-m-Y', $ds2);
	$t = time();
	return $d1->getTimeStamp() <= $t && $t < $d2->getTimeStamp() + 24 * 60 * 60;
}

function test($ds1, $ds2) {
	$res = in_between($ds1, $ds2) ? "true" : "false";
	echo "$ds1 $ds2 => $res\r\n";
}

test('30-11-2022', '02-12-2022');
test('01-12-2022', '03-12-2022');
test('30-11-2022', '30-11-2022');

?>