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1/*
2     * JavaScript Pretty Date
3     * Copyright (c) 2008 John Resig (jquery.com)
4     * Licensed under the MIT license.
5     */
6
7    // Ported to PHP >= 5.1 by Zach Leatherman (zachleat.com)
8    // Slight modification denoted below to handle months and years. 
9    public static function getStringResolved($date, $compareTo = NULL) {
10        if(!is_null($compareTo)) {
11            $compareTo = new DateTime($compareTo);
12        }
13        return self::getString(new DateTime($date), $compareTo);
14    }
15
16    public static function getString(DateTime $date, DateTime $compareTo = NULL){
17        if(is_null($compareTo)) {
18            $compareTo = new DateTime('now');
19        }
20        $diff = $compareTo->format('U') - $date->format('U');
21        $dayDiff = floor($diff / 86400);
22
23        if(is_nan($dayDiff) || $dayDiff < 0) {
24            return '';
25        }
26                
27        if($dayDiff == 0) {
28            if($diff < 60) {
29                return 'teraz';
30            } elseif($diff < 120) {
31                return 'pred 1 minútou';
32            } elseif($diff < 3600) {
33                return 'pred ' . floor($diff/60) . ' minútami';
34            } elseif($diff < 7200) {
35                return 'pred 1 hodinou';
36            } elseif($diff < 86400) {
37                return 'pred ' . floor($diff/3600) . ' hodinami';
38            }
39        } elseif($dayDiff == 1) {
40            return 'včera';
41        } elseif($dayDiff < 7) {
42            return 'pred ' . $dayDiff . ' dňami';
43        } elseif($dayDiff == 7) {
44            return 'pred týždňom';
45        } elseif($dayDiff < (7*6)) { // Modifications Start Here
46            // 6 weeks at most
47            return 'pred ' . ceil($dayDiff/7) . ' týždňami';
48        } elseif($dayDiff < 365) {
49            return 'pred ' . ceil($dayDiff/(365/12)) . ' mesiacmi';
50        } else {
51            $years = round($dayDiff/365);
52            return 'pred ' . $years . ' rok' . ($years != 1 ? 'mi' : 'om');
53        }
54    }