<?
$diary_directory 
opendir(".");
  while(
$filename readdir($diary_directory))
 {
    
$filesplit explode("."$filename);
    
$check_filename $filesplit[0];
       if(
ereg("[0-9]{6}"$check_filename))
      {
         
$check_filename .= ".$filesplit[1]";
         
$valid_filename[] = $check_filename;
      }
  }
closedir($diary_directory);
for(
$index 0$index count($valid_filename); $index++)
{
  print(
"$valid_filename[$index]<br>");
}
?>