Human-readable date/time for use in stuff like directory lists

human-readable-date-time.php

<?php

// This is intended for use in stuff like directory lists

// 1234567890  unix time (input)
// 23:31:30    if today
// 13d 23:31   if this month
// Feb 13 23h  if this year
// '09 Feb 13  if farther away

function humanReadableDateTime(int $time): string {
	if (date('Y-m-d', $time) == date('Y-m-d')) return date('H:i:s', $time);
	if (date('Y-m', $time) == date('Y-m')) return date('d\d H:i', $time);
	if (date('Y', $time) == date('Y')) return date('M d H\h', $time);
	return date("'y M d", $time);
}