<?php
##
#	v3_path_sort; Sort array of paths by directory, extension, and filename
#	              (in that order).
##
	class v3_path_sort extends v3_sort
	{
		public function decorate(&$item)
		{
			$pi = pathinfo($item);
			$item = array(
				'item'      => $item,
				'extension' => isset($pi['extension']) ? $pi['extension'] : '',
				'dir'       => $pi['dirname'],
			);
		}

		public function undecorate(&$item)
		{
			$item = $item['item'];
		}

		public function compare($item_a, $item_b)
		{
			$dir = strcasecmp($item_a['dir'], $item_b['dir']);

			if($dir) {
				return $dir;
			} else {
				$res = strcasecmp($item_a['extension'], $item_b['extension']);

				return $res ? $res : strcasecmp($item_a['item'], $item_b['item']);
			}
		}
	}
?>