From 2a4781a19c98537bd29b54cae9c196eefaf0f594 Mon Sep 17 00:00:00 2001
From: Andreas Hubel <andi@saerdnaer.de>
Date: Thu, 30 Dec 2021 19:37:57 +0100
Subject: [PATCH] add comments

---
 template/overview.phtml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/template/overview.phtml b/template/overview.phtml
index 26f248b3..aad866ac 100644
--- a/template/overview.phtml
+++ b/template/overview.phtml
@@ -56,6 +56,7 @@
 
 			<?
 				/* 
+				// remove rooms without talks
 				$rooms = array_filter($rooms, function($r) {
 					global $upcomingTalksPerRoom;
 					$upcoming = @$upcomingTalksPerRoom[ $r->getSlug() ];
@@ -70,6 +71,7 @@
 					$u_b = $upcomingTalksPerRoom[ $r_b->getSlug() ];
 					$b = @$u_b['current']['special'] ? $u_b['next'] : $u_b['current'];
 
+					// sort rooms without remaining schedule to end
 					if ( $u_a['next'] === null || $u_b['next'] === null) {
 						return -($u_a['next'] <=> $u_b['next']);
 					}