fixed null values in Json and Serializable fields

CHANGELOG.md

@@ -5,10 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## Unreleased
+## [7.3.5] - 2019-12-12
 ### Added
 - New function `getArray()` to SELECT queries, to return an array with data instead a `Row` or `RowCollection`.
 
+### Fixed
+- `NULL` values in `Json` and `Serializable` fields
+
 ## [7.3.4] - 2019-12-03
 ### Fixed
 - Revert the bugfix added in v7.3.0 about not including `NULL` values on insert and fixed in a different way.
@@ -92,6 +95,7 @@ This library was rewritten and a lot of breaking changes were included.
 - The pagination info is returned with `$selectQuery->getPageInfo()` function.
 - Many other changes. See the docs.
 
+[7.3.5]: https://github.com/oscarotero/simple-crud/compare/v7.3.4...v7.3.5
 [7.3.4]: https://github.com/oscarotero/simple-crud/compare/v7.3.3...v7.3.4
 [7.3.3]: https://github.com/oscarotero/simple-crud/compare/v7.3.2...v7.3.3
 [7.3.2]: https://github.com/oscarotero/simple-crud/compare/v7.3.1...v7.3.2

src/Fields/Json.php

@@ -24,6 +24,10 @@ public function format($value)
 
     protected function formatToDatabase($value): ?string
     {
+        if ($value === null) {
+            return $value;
+        }
+
         if (!is_string($value)) {
             return json_encode($value) ?: null;
         }

src/Fields/Serializable.php

@@ -25,6 +25,10 @@ public function format($value)
 
     protected function formatToDatabase($value): string
     {
+        if ($value === null) {
+            return $value;
+        }
+
         return serialize($value);
     }
 }

tests/JsonFieldTest.php

@@ -34,9 +34,5 @@ public function testFields()
         $post = $db->post[1];
 
         $this->assertNull($post->info);
-
-        $array = $db->post->select()->one()->getArray();
-
-        print_r($array);
     }
 }