throw InvalidDataException when finding invalid RRULE part

ProtonMail · Oct 11, 2024 · 3773a76 · 3773a76
1 parent 3ff67e1
commit 3773a76
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/lib/Property/ICalendar/Recur.php b/lib/Property/ICalendar/Recur.php
@@ -189,7 +189,14 @@ public static function stringToArray(string $value): array
             if (empty($part)) {
                 continue;
             }
-            list($partName, $partValue) = explode('=', $part);
+
+            $parts = explode('=', $part);
+
+            if (count($parts) !== 2) {
+                throw new InvalidDataException('The supplied iCalendar RRULE part is incorrect: '.$part);
+            }
+
+            list($partName, $partValue) = $parts;
 
             // The value itself had multiple values..
             if (false !== strpos($partValue, ',')) {