Fix warning

diff --git a/src/orm/validator.php b/src/orm/validator.php
index 104d089bb2d41737ac0b015141078d02cd15048c..fb9165de2a6a7d0b87abf23a681cbc85275316bb 100644 (file)
--- a/src/orm/validator.php
+++ b/src/orm/validator.php
@@ -85,9 +85,9 @@ class IPF_ORM_Validator
         } else if ($type == 'decimal') {
             if (!$maximumLength)
                 $maximumLength = 18;
-            $length = strlen($value);
+            $length = $value ? strlen($value) : 0;
         } else {
-            $length = strlen($value);
+            $length = $value ? strlen($value) : 0;
         }
 
         if ($length > $maximumLength) {