timeRangeString.php

<?php

function TimeRangeRusString($time1,$time2) {
	$diff = $time2-$time1;
	if ($diff==0) return "0 секунд";
	$str = array();
	if ($diff>=2592000) { $h = floor($diff/2592000); $str[] = omNumber($h, array('месяц','месяца','месяцев')); $diff-=$h*2592000; }
	if ($diff>=604800 && count($str)<1) { $h = floor($diff/604800); $str[] = omNumber($h, array('неделю','недели','недель')); $diff-=$h*604800; }
	if ($diff>=86400 && count($str)<1) { $h = floor($diff/86400); $str[] = omNumber($h, array('день','дня','дней')); $diff-=$h*86400; }
	if ($diff>=3600 && count($str)<1) { $h = floor($diff/3600); $str[] = omNumber($h, array('час','часа','часов')); $diff-=$h*3600; }
	if ($diff>=60 && count($str)<1) { $m = floor($diff/60); $str[] = omNumber($m, array('минуту','минуты','минут')); $diff-=$m*60; }
	if ($diff>0 && count($str)<1) { $str[] = omNumber($diff, array('секунду','секунды','секунд')); }
	return implode(', ',$str);
}


function omNumber($number, $titles, $addnum = true){
	$cases = array (2, 0, 1, 1, 1, 2);
	return ($addnum ? $number." ":'').$titles[ ($number%100>4 && $number%100<20)? 2 : $cases[min($number%10, 5)] ];
}