code

<?php
date_default_timezone_set("Europe/Helsinki");
$DT = new DateTime(date("Y/m/d"));
$DO = new DateTime('2014/10/04');
$DT->format('d');
$DO->format('d');
$diff = $DT->diff($DO);
$diff->format('%d');
?>
	<div class="flip-container pos_1">
		<?php if($diff >= '01') { ?>
    			<div class="flipper">
                		<div class="front_1"></div>
                		<div class="back_1"><img src="img/1.png"></div>
            		</div>
		<?php } else { ?>
        		<div class="front_1"></div>
        	<?php } ?>
    	</div>