<?php
$imgext = array('png', 'jpg', 'gif', 'tiff', 'wmf', 'eps', 'jpeg');
$path = "imgdir/";
$dir = opendir($path);
while(true == ($file = readdir($dir))) {
if($file != ".." and $file != "." and in_array(substr($file, 0, -3))) {
echo $file . "<Br>";
}
}
?>
moje da sam obyrkal substr opravi si go ;]