add missing return statement

diff --git a/src/Util/Temporal.php b/src/Util/Temporal.php
index 0ce59bfaf0ec2d2d1fb989abedbc646f1bb28e93..d3ed34690800f5b44c5d9e8ffef67ca6068c4c81 100644 (file)
--- a/src/Util/Temporal.php
+++ b/src/Util/Temporal.php
@@ -359,6 +359,8 @@ class Temporal
                                return sprintf($format, $r, (($r == 1) ? $str[0] : $str[1]));
                        }
                }
+
+               return '';
        }
 
        /**