<?php
/**********************************************
* Yazar     : Richard Harris
* Web     : www.rtharris.com
* Posta     : richard@rtharris.com
* Tarih     : 16/02/06
* Kullanım     :
*           <img src=img.php>
*           <img src=img.php?folder=images2/>
***********************************************/

if($_GET['folder']){
     $folder=$_GET['folder'];
}else{
     $folder='/images/';
}

//Seçilen klasör
$path = $_SERVER['DOCUMENT_ROOT']."/".$folder;
$files=array();
if ($handle=opendir("$path")) {
     while(false !== ($file = readdir($handle))) {  
          if ($file != "." && $file != "..") { 
                     if(substr($file,-3)=='gif' || substr($file,-3)=='jpg') $files[count($files)] = $file;
                }
           } 
}
closedir($handle); 

$random=rand(0,count($files)-1);
if(substr($files[$random],-3)=='gif') header("Content-type: image/gif");
elseif(substr($files[$random],-3)=='jpg') header("Content-type: image/jpeg");
readfile("$path/$files[$random]");
?>