date_default_timezone_set('UTC');

 

class dtimediff

    // set data

    function setdata($status, $autorev, $showsec, $showday, $df, $dt, $mess)

    {

        $this->status = $status;

        $this->autorev = $autorev;

        $this->showsec = $showsec;

        $this->showday = $showday;

        ($df != '') ? $this->data_from = $df : $this->data_from = date('Y-m-d H:i:s');

        ($dt != '') ? $this->data_to = $dt : $this->data_to = date('Y-m-d H:i:s');

        $this->font = 'font-family:verdana; color:black; font-size:13px; font-weight:normal;';

        $this->mess = $mess;

    }

    // manipulation data

    function diff()

    {

        if ($this->status != false)

        {

            $this->tc = $this->data_to;

            if (strlen($this->data_to) == 19)

                $this->data_to = $this->data_to;

            else    

                $this->data_to = $this->data_to.' 00:00:00';  

                         

            if (!is_int($this->data_from))

            {

                $this->sdata_from = strtotime($this->data_from);

            }

 

            if (!is_int($this->data_to))

            {

                $this->sdata_to = strtotime($this->data_to);

            }

 

            $gd_from = getdate($this->sdata_from);

            $gd_to = getdate($this->sdata_to);

            $this->sumdays = round(abs(mktime(0, 0, 0, $gd_from['mon'], $gd_from['mday'], $gd_from['year']) - mktime(0, 0, 0, $gd_to['mon'], $gd_to['mday'], $gd_to['year'])) / 86400);

 

            if ($this->sdata_from > $this->sdata_to and $this->autorev == true)

            {

                $this->ttime = $this->sdata_from;

                $this->sdata_from = $this->sdata_to;

                $this->sdata_to = $this->ttime;

            }

         

            $intervals = array('year', 'month', 'day', 'hour', 'minute', 'second');

            $diffs = array();

 

            foreach ($intervals as $interval)

            {

                $diffs[$interval] = 0;

                $this->ttime = strtotime('+1 '.$interval, $this->sdata_from);

                while ($this->sdata_to >= $this->ttime)

                {

                    $this->sdata_from = $this->ttime;

                    $diffs[$interval]++;

                    $this->ttime = strtotime('+1 '.$interval, $this->sdata_from);

                }

            }

   

            $this->years = ($diffs['year'] < 10) ? '0'.$diffs['year'] : $diffs['year'];

            $this->months = ($diffs['month'] < 10) ? '0'.$diffs['month'] : $diffs['month'];

            $this->days = ($diffs['day'] < 10) ? '0'.$diffs['day'] : $diffs['day'];

            $this->hours = ($diffs['hour'] < 10) ? '0'.$diffs['hour'] : $diffs['hour'];

            $this->minuts = ($diffs['minute'] < 10) ? '0'.$diffs['minute'] : $diffs['minute'];

            $this->seconds = ($diffs['second'] < 10) ? '0'.$diffs['second'] : $diffs['second'];

 

            if ($this->years == 0)

                $this->tyears = '';

            else if ($this->years == 1)

                $this->tyears = 'rok';

            else if ((($this->years > 1) && ($this->years < 5)) || (($this->years > 20) && (($this->years % 10 > 1) && ($this->years % 10 < 5))))

                $this->tyears = 'lata';

            else

                $this->tyears = 'lat';

        }

        else

        {

            // no reaction

        }

    }

    // show data

    function display()

    {  

        if ($this->status != false)

        {

            if (strtotime('now') < strtotime($this->tc) and $this->autorev != true)

            {

                echo ($this->days > 1) ? '<font style="'.$this->font.'"><strong>'.$this->mess['1'].'</strong>'.(($this->years > 0) ? '<strong>'.$this->years.'</strong>' : '').'<small> '.$this->tyears.' </small>'.(($this->months > 0) ? '<strong>'.$this->months.'</strong>' : '').(($this->months > 0) ? ' <small> mies. </small> ' : '').(($this->days > 0) ? '<strong>'.$this->days.'</strong><small>'.(($this->days == 1) ? ' dzień' : ' dni').'</small>' : '').' '.(($this->hours > 0) ? '<strong>'.$this->hours.'</strong>' : '').(($this->hours > 0) ? ' <small> godz. </small> ' : '').(($this->minuts > 0) ? '<strong>'.$this->minuts.'</strong>' : '').(($this->minuts > 0) ? ' <small> min. </small> ' : '').(($this->showsec == true) ? (($this->seconds > 0) ? '<strong>'.$this->seconds.'</strong>' : '').(($this->seconds > 0) ? ' <small> sec. </small> ' : '') : '').(($this->showday == 1) ? '(<strong>'.$this->sumdays.'</strong>'.(($this->sumdays > 1) ? ' dni' : ' dzień').')' : '').'</font>' : '<font style="'.$this->font.'"><strong>'.$this->mess['2'].'</strong>'.(($this->years > 0) ? '<strong>'.$this->years.'</strong>' : '').'<small> '.$this->tyears.' </small>'.(($this->months > 0) ? '<strong>'.$this->months.'</strong>' : '').(($this->months > 0) ? ' <small> mies. </small> ' : '').(($this->days > 0) ? '<strong>'.$this->days.'</strong><small>'.(($this->days == 1) ? ' dzień' : ' dni').'</small>' : '').' '.(($this->hours > 0) ? '<strong>'.$this->hours.'</strong>' : '').(($this->hours > 0) ? ' <small> godz. </small> ' : '').(($this->minuts > 0) ? '<strong>'.$this->minuts.'</strong>' : '').(($this->minuts > 0) ? ' <small> min. </small> ' : '').(($this->showsec == true) ? (($this->seconds > 0) ? '<strong>'.$this->seconds.'</strong>' : '').(($this->seconds > 0) ? ' <small> sec. </small> ' : '') : '').(($this->showday == 1) ? '(<strong>'.$this->sumdays.'</strong>'.(($this->sumdays > 1) ? ' dni' : ' dzień').')' : '').'<strong>'.$this->mess['3'].'</strong>'.'</font>';

            }

            else if (strtotime('now') > strtotime($this->tc) and $this->autorev == true)

            {

                echo ($this->days > 1) ? '<font style="'.$this->font.'"><strong>'.$this->mess['5'].'</strong>'.(($this->years > 0) ? '<strong>'.$this->years.'</strong>' : '').'<small> '.$this->tyears.' </small>'.(($this->months > 0) ? '<strong>'.$this->months.'</strong>' : '').(($this->months > 0) ? ' <small> mies. </small> ' : '').(($this->days > 0) ? '<strong>'.$this->days.'</strong><small>'.(($this->days == 1) ? ' dzień' : ' dni').'</small>' : '').' '.(($this->hours > 0) ? '<strong>'.$this->hours.'</strong>' : '').(($this->hours > 0) ? ' <small> godz. </small> ' : '').(($this->minuts > 0) ? '<strong>'.$this->minuts.'</strong>' : '').(($this->minuts > 0) ? ' <small> min. </small> ' : '').(($this->showsec == true) ? (($this->seconds > 0) ? '<strong>'.$this->seconds.'</strong>' : '').(($this->seconds > 0) ? ' <small> sec. </small> ' : '') : '').(($this->showday == 1) ? '(<strong>'.$this->sumdays.'</strong>'.(($this->sumdays > 1) ? ' dni' : ' dzień').')' : '').'</font>' : '<font style="'.$this->font.'"><strong>'.$this->mess['5'].'</strong>'.(($this->years > 0) ? '<strong>'.$this->years.'</strong>' : '').'<small> '.$this->tyears.' </small>'.(($this->months > 0) ? '<strong>'.$this->months.'</strong>' : '').(($this->months > 0) ? ' <small> mies. </small> ' : '').(($this->days > 0) ? '<strong>'.$this->days.'</strong><small>'.(($this->days == 1) ? ' dzień' : ' dni').'</small>' : '').' '.(($this->hours > 0) ? '<strong>'.$this->hours.'</strong>' : '').(($this->hours > 0) ? ' <small> godz. </small> ' : '').(($this->minuts > 0) ? '<strong>'.$this->minuts.'</strong>' : '').(($this->minuts > 0) ? ' <small> min. </small> ' : '').(($this->showsec == true) ? (($this->seconds > 0) ? '<strong>'.$this->seconds.'</strong>' : '').(($this->seconds > 0) ? ' <small> sec. </small> ' : '') : '').(($this->showday == 1) ? '(<strong>'.$this->sumdays.'</strong>'.(($this->sumdays > 1) ? ' dni' : ' dzień').')' : '').'<strong>'.$this->mess['6'].'</strong>'.'</font>';

            }

            else

            {

                echo '<font style="'.$this->font.'"><strong>'.$this->mess['4'].'</strong>'.'</font>';

            }

        }

        else

        {

            // no reaction

        }

    }

$t = new dtimediff();

$t->setdata(1, 0, 1, 1, date('Y-m-d H:i:s'), '2015-04-12 00:00:00', array('', 'wydarzenie za : ', 'pozostało : ', ' do wydarzenia', 'koniec odliczania', 'minęło : ', ' od wydarzenia'));