Show images in directory recursively

showImages.php

<?php
/*
Show images recursively in a directory  v1.0
 
Author: Mathuvathanan Mounasamy
 
Licensed under the MIT license
*/
	showImages('media/catalog/product/F');
	function showImages($directory) {
		$scanned_directory = array_diff(scandir($directory), array('..', '.'));
		$file_display = array('jpg', 'JPG', 'jpeg', 'JPEG', 'png', 'PNG', 'gif', 'GIF');
	
		foreach ($scanned_directory as &$file) {
			
			if (is_dir($directory."/".$file)) {
				showImages($directory."/".$file);
			} else {							
				$filen = explode(".", $file);
				$ext = end($filen);
					if (in_array($ext, $file_display)) {
						echo '<img src="', $directory, '/', $file, '" alt="', $file, '" height="250" style="border: 3px solid #FFF" />';
					} else {
						
					}
			}
		}
		unset($file);
	}
?>