Return null for empty IntervalSpec

infinite-networks · Mar 12, 2018 · 8101b0e · 8101b0e
1 parent b1454e0
commit 8101b0e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Date/IntervalFormatter.php b/Date/IntervalFormatter.php
@@ -50,6 +50,10 @@ public static function formatDateInterval(\DateInterval $interval)
                 $spec .= $interval->s . 'S';
             }
         }
+
+        if ($spec === 'P') {
+            return null;
+        }
 
         return $spec;
     }