if ($handle = opendir('.')) {
    while (false !== ($file = readdir($handle))) {
        if ($file != "." && $file != "..") {
   
if(file_exists($file)){ 
    $zamanasimi = time()-864000; 
    $zaman = filectime($file); 
        if($zaman < $zamanasimi){ 
            unlink($file); 
        } 
}


        }
    }
    closedir($handle);
}