Made is_date be more correct

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@15209 594d385d-05f5-0310-b6e9-bd551577e9d8

diff --git a/gosa-core/include/utils/class_tests.inc b/gosa-core/include/utils/class_tests.inc
index cfd7f255b9188527c1d8a0104a44d6a77688a10a..6ceba9b137c30bdea766e97a28b2d431e15b51fa 100644 (file)
--- a/gosa-core/include/utils/class_tests.inc
+++ b/gosa-core/include/utils/class_tests.inc
@@ -258,7 +258,11 @@ class tests {
     }
 
     #TODO: use $lang to check date format
-    return preg_match("/[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{4}/", $date);
+    if (!preg_match("/([0-9]{1,2})\.([0-9]{1,2})\.([0-9]{4})/", $date, $matches)) {
+      return false;
+    }
+
+    return checkdate($matches[1],$matches[2],$matches[3]);
   }
 
   /* Check if the specified IP address $address is inside the given network */