Protect against unparsable rules.

We always need a DTSTART. If cannot determine one, skip this rule.
horde · Jan 13, 2016 · 262fef0 · 262fef0
1 parent 3327333
commit 262fef0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/framework/Timezone/lib/Horde/Timezone/Rule.php b/framework/Timezone/lib/Horde/Timezone/Rule.php
@@ -274,6 +274,8 @@ public function addRules(Horde_Icalendar_Vtimezone $tz, $tzid, $name,
                     . ';BYMONTHDAY=' . implode(',', $days)
                     . ';BYDAY=-1' . Horde_String::upper(substr($weekday, 0, 2))
                     . $until);
+            } else {
+                continue;
             }
             $component->setAttribute('TZNAME', sprintf($name, $rule[9]));
             $tz->addComponent($component);