Fixed DateUtil issue

diff --git a/wcfsetup/install/files/lib/util/DateUtil.class.php b/wcfsetup/install/files/lib/util/DateUtil.class.php
index f05dfe7cb0d982f867dc9b095042ddb72a88eade..02893cb30d5e20efd2c5d7e61dd7947847f37817 100644 (file)
--- a/wcfsetup/install/files/lib/util/DateUtil.class.php
+++ b/wcfsetup/install/files/lib/util/DateUtil.class.php
@@ -369,7 +369,7 @@ final class DateUtil {
                }
                
                // convert back to ISO-8601, if date was bogus (e.g. 2000-02-31) data() returns a different date than $date
-               if (date('Y-m-d', $time) != $date) {
+               if (gmdate('Y-m-d', $time) != $date) {
                        throw new SystemException("date '".$date."' is invalid");
                }
        }