Григорий

<?php
$path = "папка";
	$slides = glob($path."/*.{html}", GLOB_BRACE);
	if(count($slides) != 0 )
		{
			foreach($slides as $slide)
				{
				$path_parts = pathinfo($slide);
				$dir = $path_parts['dirname'];
				$name =  $path_parts['basename'];
				
				echo $dir.'/'.$name.'<br/>';
				}
		}
?>