Timestamp to Humans Time

humanstime.php

global $HT_DEFAULT_FMTS;
$HT_DEFAULT_FMTS = array(
        'year_0' => "An year ago",
        'years_0' => "%d years ago",
        'year_1' => "An year from now",
        'years_1' => "%d years from now",
        'month_0' => "A month ago",
        'months_0' => "%d months ago",
        'month_1' => "A month from now",
        'months_1' => "%d months from now",
        'day_0' => "A day ago",
        'days_0' => "%d days ago",
        'day_1' => "A day from now",
        'days_1' => "%d days from now",
        'hour_0' => "An hour ago",
        'hours_0' => "%d hours ago",
        'hour_1' => "An hour from now",
        'hours_1' => "%d hours from now",
        'minute_0' => "A minute ago",
        'minutes_0' => "%d minutes ago",
        'minute_1' => "A minute from now",
        'minutes_1' => "%d minutes from now",
        'second_0' => "A second ago",
        'seconds_0' => "%d seconds ago",
        'second_1' => "A second from now",
        'seconds_1' => "%d seconds from now",
);

global $HT_DIVS;
$HT_DIVS = array(
        'year' => 60*60*24*365,
        'month' => 60*60*24*31,
        'day' => 60*60*24,
        'hour' => 60*60,
        'minute' => 60,
        'second' => 0
);

function humanstime($timestamp, $texts = null) {
        global $HT_DIVS;
        $divs = $HT_DIVS;
        $diff = time() - $timestamp;
        $isfuture = ($diff < 0);
        if($isfuture)
                $diff = -$diff;
        foreach($divs as $name => $delta) {
                if($diff >= $delta)
                        break;
        }
        $unit = $delta ? $diff / $delta : $diff;
        $ht = array(
                'name' => $name.($unit > 1 ? 's' : ''),
                'unit' => $unit,
                'isfuture' => $isfuture
        );
        if(!$texts) {
                global $HT_DEFAULT_FMTS;
                $fmts = $HT_DEFAULT_FMTS;
        }
        $k = $ht['name'].'_'.(int)$ht['isfuture'];
        return sprintf($fmts[$k], $ht['unit']);
}