More sanity checking.

horde · Jan 22, 2015 · 509900e · 509900e
1 parent c6bdd43
commit 509900e
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/framework/Mapi/lib/Horde/Mapi/Timezone.php b/framework/Mapi/lib/Horde/Mapi/Timezone.php
@@ -151,8 +151,12 @@ public static function getOffsetsFromDate(Horde_Date $date)
         );
 
         $timezone = $date->toDateTime()->getTimezone();
-        list($std, $dst) = self::_getTransitions($timezone, $date);
-        if ($std) {
+        // If transition parsing failed, we won't have a multi-element array.
+        $transitions = self::_getTransitions($timezone, $date);
+        if (!empty($transitions)) {
+            list($std, $dst) = self::_getTransitions($timezone, $date);
+        }
+        if (!empty($std)) {
             $offsets['bias'] = $std['offset'] / 60 * -1;
             if ($dst) {
                 $offsets = self::_generateOffsetsForTransition($offsets, $std, 'std');