Documentation updated

1 files changed, 5 insertions, 1 deletions

diff --git a/tdd/tdd-protocol.php b/tdd/tdd-protocol.php
index 7d9abc2..a7ab513 100644
--- a/tdd/tdd-protocol.php
+++ b/tdd/tdd-protocol.php
@@ -4,11 +4,13 @@ require_once('tdd-bootstrap.php');
 
 // parsing URI parts from full request string
 $uri = explode('b-', basename($_SERVER['REQUEST_URI']));
+// if "b-" is not found in the string, it's a direct call, all mod_rewrite requests do have it
 if (count($uri) < 2) {
     die('This script cannot be called directly!');
 }
-
+// last part of URI is board number
 $board = (int)(array_pop($uri));
+// the rest is compiled back to separate prefix from round later on
 $roundPrefix = implode('b-', $uri);
 
 try {
@@ -19,6 +21,7 @@ try {
     $html_filename = $protocol->get_filename();
     foreach ($database->getDB() as $prefix => $rounds) {
         foreach ($rounds as $round => $boards) {
+            // matching each prefix and round in DB to URI
             if ($prefix . $round === $roundPrefix) {
                 if (isset($boards[$board])) {
                     foreach($boards[$board] as $table => $deal) {
@@ -30,6 +33,7 @@ try {
             }
         }
     }
+    // here's the fallback
     readfile($html_filename);
 } catch (Exception $e) {
     header('HTTP/1.0 404 Not Found');