From ee26ad3354747f3921c99d4d5390a57ba36280e5 Mon Sep 17 00:00:00 2001
From: Marc MAURICE <dooblempub@positon.org>
Date: Sun, 12 Dec 2010 22:52:03 +0100
Subject: [PATCH] Minor comments changes

---
 index.php | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/index.php b/index.php
index c20a4dc..2f66ac7 100644
--- a/index.php
+++ b/index.php
@@ -80,15 +80,17 @@ function getAlbumPreview($dir)
 
 $scriptUrlPath = $_SERVER["SCRIPT_NAME"];
 
-// if url == http://localhost/photos/index/toto/titi, path_info == /toto/titi
-// if url == http://localhost/photos/index, path_info is not set
+// if url == http://localhost/photos/index.php/toto/titi, path_info == /toto/titi
+// if url == http://localhost/photos/index.php, path_info is not set
 // if url == http://localhost/photos/, path_info is not set
-// if path_info is not set, we are at top level, so we redirect to /photos/index/
+// if path_info is not set, we are at top level, so we redirect to /photos/index.php/
 if (! isset($_SERVER["PATH_INFO"])) {
 	header("Location: $scriptUrlPath/");
 	exit();
 }
 
+# shortPath is the simple path to the image
+# /index.php/toto/titi => shortPath == /toto/titi
 $shortPath = $_SERVER["PATH_INFO"];
 if ($shortPath == '/') $shortPath = '';
 // extra security check to avoid /photos/index/../.. like urls, maybe useless but..
@@ -98,6 +100,8 @@ $folders = array();
 $imageFiles = array();
 $otherFiles = array();
 
+# realDir is the directory in filesystem
+# seen from current script directory
 $realDir = IMAGES_DIR.$shortPath;
 
 if (! is_dir($realDir)) {