From 3941ebaf034cea4dd447848482c4bb2e578ff4af Mon Sep 17 00:00:00 2001
From: Pavel <pavel.agalecky@gmail.com>
Date: Tue, 10 Nov 2015 14:12:15 +0300
Subject: [PATCH] Added check for null

---
 DateTimeAttribute.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/DateTimeAttribute.php b/DateTimeAttribute.php
index a0bbf9c..68675c5 100644
--- a/DateTimeAttribute.php
+++ b/DateTimeAttribute.php
@@ -54,9 +54,9 @@ function __invoke()
     public function getValue()
     {
         try {
-            if ($this->_value)
+            if ($this->_value !== null) {
                 return $this->_value;
-            else {
+            } else {
                 $originalValue = $this->behavior->owner->{$this->originalAttribute};
                 if ($originalValue === null)
                     return $this->nullValue;