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-rw-r--r--system/libraries/Form_validation.php3
1 files changed, 2 insertions, 1 deletions
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 7056558c5..b65c4881c 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -496,7 +496,8 @@ class CI_Form_validation {
return isset($array[$keys[$i]]) ? $this->_reduce_array($array[$keys[$i]], $keys, ($i+1)) : NULL;
}
- return $array;
+ // NULL must be returned for empty fields
+ return ($array === '') ? NULL : $array;;
}
// --------------------------------------------------------------------