add test case for nullable parent property (#16552)

* add nullable case to spring test spec

* generate samples for changed spring input

* add nullable case to general test spec

* generate samples for changed general input

* generate samples again

* generates samples again

* re-build from new sources, generates samples again

samples/server/petstore/php-laravel/lib/app/Http/Controllers/FakeController.php

@@ -426,6 +426,30 @@ class FakeController extends Controller
 
         return response('How about implementing testJsonFormData as a get method ?');
     }
+    /**
+     * Operation testNullable
+     *
+     * test nullable parent property.
+     *
+     *
+     * @return Http response
+     */
+    public function testNullable()
+    {
+        $input = Request::all();
+
+        //path params validation
+
+
+        //not path params validation
+        if (!isset($input['childWithNullable'])) {
+            throw new \InvalidArgumentException('Missing the required parameter $childWithNullable when calling testNullable');
+        }
+        $childWithNullable = $input['childWithNullable'];
+
+
+        return response('How about implementing testNullable as a post method ?');
+    }
     /**
      * Operation fakeOuterBooleanSerialize
      *

samples/server/petstore/php-laravel/lib/app/Models/ChildWithNullable.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * ChildWithNullable
+ */
+namespace app\Models;
+
+/**
+ * ChildWithNullable
+ */
+class ChildWithNullable {
+
+    /** @var string $type */
+    public $type = "";
+
+    /** @var string|null $nullableProperty */
+    public $nullableProperty = null;
+
+    /** @var string $otherProperty */
+    public $otherProperty = "";
+
+}

samples/server/petstore/php-laravel/lib/app/Models/ParentWithNullable.php

@@ -0,0 +1,18 @@
+<?php
+/**
+ * ParentWithNullable
+ */
+namespace app\Models;
+
+/**
+ * ParentWithNullable
+ */
+class ParentWithNullable {
+
+    /** @var string $type */
+    public $type = "";
+
+    /** @var string|null $nullableProperty */
+    public $nullableProperty = null;
+
+}