Turn a time difference into a "description" (e.g. "2 days 12 hours 13 minutes")

gistfile1.aw

<?php

$now = time();
$then = 12345;
$diff = $then - $now;

$days = floor( $diff / (60*60*24) );

$time = date( __( 'G \h\o\u\r\s i \m\i\n\u\t\e\s'), $diff );

$message = sprintf( __( '%d days %s' ), $days, $time );