Merge pull request #92 from snc/patch-1

Allow NULL value when converting a blob to PHP value.

lib/Doctrine/DBAL/Types/BlobType.php

@@ -44,6 +44,9 @@ class BlobType extends Type
      */
     public function convertToPHPValue($value, AbstractPlatform $platform)
     {
+        if (null === $value) {
+            return null;
+        }
         if (is_string($value)) {
             $value = fopen('data://text/plain;base64,' . base64_encode($value), 'r');
         } else if ( ! is_resource($value)) {

tests/Doctrine/Tests/DBAL/Types/BlobTest.php

+<?php
+
+namespace Doctrine\Tests\DBAL\Types;
+
+use Doctrine\DBAL\Types\Type;
+use Doctrine\Tests\DBAL\Mocks;
+
+require_once __DIR__ . '/../../TestInit.php';
+
+class BlobTest extends \Doctrine\Tests\DbalTestCase
+{
+    protected
+        $_platform,
+        $_type;
+
+    protected function setUp()
+    {
+        $this->_platform = new \Doctrine\Tests\DBAL\Mocks\MockPlatform();
+        $this->_type = Type::getType('blob');
+    }
+
+    public function testBlobNullConvertsToPHPValue()
+    {
+        $this->assertNull($this->_type->convertToPHPValue(null, $this->_platform));
+    }
+}