Fixed almost all the warning we were getting before. Basically just added

isset() to all the conditions that were reporting errors. One line in
ical_parser needs to be double checked, it's commented, towards the bottom.

1 files changed, 3 insertions, 4 deletions

diff --git a/functions/overlapping_events.php b/functions/overlapping_events.php
index 98ee2a2..cd043a8 100644
--- a/functions/overlapping_events.php
+++ b/functions/overlapping_events.php
@@ -17,19 +17,18 @@ function checkOverlap() {
 	global $master_array, $overlap_array, $start_date, $start_time, $end_time;
 
 		$drawTimes = drawEventTimes($start_time, $end_time);
-
 		$maxOverlaps = 0;
-		if (sizeof($master_array[($start_date)]) > 0) {
+		if (isset($master_array[($start_date)]) && sizeof($master_array[($start_date)]) > 0) {
 			foreach ($master_array[($start_date)] as $keyTime => $eventTime) {
 				foreach ($eventTime as $keyEvent => $event) {
-					if (($event["event_start"] < $drawTimes["draw_end"]) and ($event["event_end"] > $drawTimes["draw_start"])) {
+					if (isset($event["event_start"], $drawTimes["draw_end"], $event["event_end"], $drawTimes["draw_start"]) && ($event["event_start"] < $drawTimes["draw_end"]) and ($event["event_end"] > $drawTimes["draw_start"])) {
 
 						if ($event["event_start"] < $drawTimes["draw_start"]) $overlap_start = $drawTimes["draw_start"];
 						else $overlap_start = $event["event_start"];
 						if ($event["event_end"] < $drawTimes["draw_end"]) $overlap_end = $event["event_end"];
 						else $overlap_end = $drawTimes["draw_end"];
 						
-						if (sizeof($overlap_array[($start_date)][($keyTime)][($keyEvent)]) > 0) {
+						if (isset($overlap_array[($start_date)][($keyTime)][($keyEvent)]) && sizeof($overlap_array[($start_date)][($keyTime)][($keyEvent)]) > 0) {
 							$newOverlapEntry = TRUE;
 							foreach ($overlap_array[($start_date)][($keyTime)][($keyEvent)] as $keyOverlap => $overlapEntry) {
 								if (($overlapEntry["start"] < $overlap_end) and ($overlapEntry["end"] > $overlap_start)) {