From 8aa74f821d50c83ce77698df2fc7f97aff86dab1 Mon Sep 17 00:00:00 2001
From: Petr Skoda <commits@skodak.org>
Date: Tue, 19 Jul 2011 15:03:58 +0200
Subject: [PATCH] MDL-27696 initialise arrays

Credit goes to David Mudrak.
---
 course/report/log/graph.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/course/report/log/graph.php b/course/report/log/graph.php
index 679b7786b27..a2c7ff23637 100644
--- a/course/report/log/graph.php
+++ b/course/report/log/graph.php
@@ -94,6 +94,7 @@ switch ($type) {
        $reducedays = 0;
    }
 
+   $days = array();
    $i = 0;
    while ($timestart < $timenow) {
        $timefinish = $timestart + 86400;
@@ -167,6 +168,7 @@ switch ($type) {
    }
    $dayfinish = $daystart + 86400;
 
+   $hours = array();
    for ($i=0; $i<=23; $i++) {
        $logs[$i] = 0;
        $hour = $daystart + $i * 3600;