if(isset($_GET['img'])&&!empty($_GET['img'])) { $images = array(); $images[1]='R0lGOD....AOw=='; $images[2]='R0lGO......hnmlJhgIAOw=='; @ob_clean(); header("Content-type: image/gif"); echo base64_decode($images[$_GET['img']]); die(); } echo "<img src=".$_SERVER['PHP_SELF']."?img=1>"; echo "<img src=".$_SERVER['PHP_SELF']."?img=2>";