show ago limit

timespan.php

if (!function_exists('timespan')) {

    function timespan($seconds = 1, $time = '', $limit = -1) {
        if ($limit == -1)
            $limit = 99;

        $CI = & get_instance();
        $CI->lang->load('date');

        if (!is_numeric($seconds)) {
            $seconds = 1;
        }

        if (!is_numeric($time)) {
            $time = time();
        }

        if ($time <= $seconds) {
            $seconds = 1;
        } else {
            $seconds = $time - $seconds;
        }

        $str = '';
        $years = floor($seconds / 31536000);

        if ($years > 0) {
            if (--$limit > 0)
                $str .= $years . ' ' . $CI->lang->line((($years > 1) ? 'date_years' : 'date_year')) . ', ';
        }

        $seconds -= $years * 31536000;
        $months = floor($seconds / 2628000);

        if ($years > 0 OR $months > 0) {
            if ($months > 0) {
               if (--$limit > 0)  $str .= $months . ' ' . $CI->lang->line((($months > 1) ? 'date_months' : 'date_month')) . ', ';
            }

            $seconds -= $months * 2628000;
        }

        $weeks = floor($seconds / 604800);

        if ($years > 0 OR $months > 0 OR $weeks > 0) {
            if ($weeks > 0) {
              if (--$limit > 0)   $str .= $weeks . ' ' . $CI->lang->line((($weeks > 1) ? 'date_weeks' : 'date_week')) . ', ';
            }

            $seconds -= $weeks * 604800;
        }

        $days = floor($seconds / 86400);

        if ($months > 0 OR $weeks > 0 OR $days > 0) {
            if ($days > 0) {
             if (--$limit > 0)    $str .= $days . ' ' . $CI->lang->line((($days > 1) ? 'date_days' : 'date_day')) . ', ';
            }

            $seconds -= $days * 86400;
        }

        $hours = floor($seconds / 3600);

        if ($days > 0 OR $hours > 0) {
            if ($hours > 0) {
            if (--$limit > 0)     $str .= $hours . ' ' . $CI->lang->line((($hours > 1) ? 'date_hours' : 'date_hour')) . ', ';
            }

            $seconds -= $hours * 3600;
        }

        $minutes = floor($seconds / 60);

        if ($days > 0 OR $hours > 0 OR $minutes > 0) {
            if ($minutes > 0) {
            if (--$limit > 0)     $str .= $minutes . ' ' . $CI->lang->line((($minutes > 1) ? 'date_minutes' : 'date_minute')) . ', ';
            }

            $seconds -= $minutes * 60;
        }

        if ($str == '') {
            if (--$limit > 0) $str .= $seconds . ' ' . $CI->lang->line((($seconds > 1) ? 'date_seconds' : 'date_second')) . ', ';
        }

        return substr(trim($str), 0, -1);
    }

}