<?php

date_default_timezone_set('Europe/Riga');
include 'GIFEncoder.class.php';

$time = "2015-02-28 15:15:00"; // set timer
$future_date = new DateTime(date('r',strtotime($time)));
$time_now = time();
$now = new DateTime(date('r', $time_now));

$frames = array();
$delays = array();


$image = imagecreatefrompng('background/img.png');
$delay = 100;
$font = array(
    'size'=>75, // font size
    'angle'=>0,
    'x-offset'=>45, // offset on x asis
    'y-offset'=>80, // offset on y asis
    'file'=>'fonts/Myriad-Pro-Semibold-Condensed.ttf',
    'color'=>imagecolorallocate($image, 255, 255, 255),
);
for($i = 0; $i <= 60; $i++){
    $interval = date_diff($future_date, $now);
    if($future_date < $now){

        $image = imagecreatefrompng('background/img.png');; /
        $text = $interval->format('00:00:00:00');
        imagettftext ($image , $font['size'] , $font['angle'] , $font['x-offset'] , $font['y-offset'] , $font['color'] , $font['file'], $text );
        ob_start();
        imagegif($image);
        $frames[]=ob_get_contents();
        $delays[]=$delay;
                $loops = 1;
        ob_end_clean();
        break;
    } else {

        $image = imagecreatefrompng('background/img.png');;
        $text = $interval->format('%a:%H:%I:%S');

        if(preg_match('/^[0-9]:/', $text)){
            $text = '0'.$text;
        }
        imagettftext ($image , $font['size'] , $font['angle'] , $font['x-offset'] , $font['y-offset'] , $font['color'] , $font['file'], $text );
        ob_start();
        imagegif($image);
        $frames[]=ob_get_contents();
        $delays[]=$delay;
                $loops = 0;
        ob_end_clean();
    }
    $now->modify('+1 second');
}

header( 'Expires: Sun, 02 Mar 2015 02:00:00 GMT' ); //expire this image instantly
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-store, no-cache, must-revalidate' );
header( 'Cache-Control: post-check=0, pre-check=0', false );
header( 'Pragma: no-cache' );
$gif = new AnimatedGif($frames,$delays,$loops);

$gif->display();

?>