<!-- Collection of code snippets by Arne Vajhøj -->
<!-- posted to eksperten.dk, usenet and other places (2002-now) -->
<?php
$image_dir = '/work/az/ts';
$file_types = array('jpg'=>1,'jpeg'=>1,'gif'=>1,'png'=>1);
$allfiles = scandir($image_dir);
$allpics = array_filter($allfiles, function($f) use($file_types) {
	                                   $parts = explode('.', $f);
	                                   return array_key_exists(end($parts), $file_types);
                                   });
foreach($allpics as $pic) {
	echo $pic . "\r\n";
}
?>