OpenAPITools · wing328 · Oct 29, 2018 · Oct 19, 2018 · Oct 19, 2018 · Oct 19, 2018
diff --git a/modules/openapi-generator/src/main/resources/php/api.mustache b/modules/openapi-generator/src/main/resources/php/api.mustache
@@ -89,6 +89,10 @@ use {{invokerPackage}}\ObjectSerializer;
      * {{.}}
      *
 {{/description}}
+{{#vendorExtensions.x-group-parameters}}
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+{{/vendorExtensions.x-group-parameters}}
 {{#allParams}}
      * @param  {{dataType}} ${{paramName}}{{#description}} {{description}}{{/description}}{{^description}} {{paramName}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}
 {{/allParams}}
@@ -97,9 +101,9 @@ use {{invokerPackage}}\ObjectSerializer;
      * @throws \InvalidArgumentException
      * @return {{#returnType}}{{#responses}}{{#dataType}}{{^-first}}|{{/-first}}{{/dataType}}{{{dataType}}}{{/responses}}{{/returnType}}{{^returnType}}void{{/returnType}}
      */
-    public function {{operationId}}({{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}})
+    public function {{operationId}}({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}$associative_array{{/vendorExtensions.x-group-parameters}})
     {
-        {{#returnType}}list($response) = {{/returnType}}$this->{{operationId}}WithHttpInfo({{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});{{#returnType}}
+        {{#returnType}}list($response) = {{/returnType}}$this->{{operationId}}WithHttpInfo({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}$associative_array{{/vendorExtensions.x-group-parameters}});{{#returnType}}
         return $response;{{/returnType}}
     }
 
@@ -114,6 +118,10 @@ use {{invokerPackage}}\ObjectSerializer;
      * {{.}}
      *
 {{/description}}
+{{#vendorExtensions.x-group-parameters}}
+     * Note: the inpput parameter is an associative array with the keys listed as the parameter name below
+     *
+{{/vendorExtensions.x-group-parameters}}
 {{#allParams}}
      * @param  {{dataType}} ${{paramName}}{{#description}} {{description}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}
 {{/allParams}}
@@ -122,9 +130,9 @@ use {{invokerPackage}}\ObjectSerializer;
      * @throws \InvalidArgumentException
      * @return array of {{#returnType}}{{#responses}}{{#dataType}}{{^-first}}|{{/-first}}{{/dataType}}{{{dataType}}}{{/responses}}{{/returnType}}{{^returnType}}null{{/returnType}}, HTTP status code, HTTP response headers (array of strings)
      */
-    public function {{operationId}}WithHttpInfo({{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}})
+    public function {{operationId}}WithHttpInfo({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}$associative_array{{/vendorExtensions.x-group-parameters}})
     {
-        $request = $this->{{operationId}}Request({{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
+        $request = $this->{{operationId}}Request({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}{{#allParams}}$associative_array['{{paramName}}']{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}});
 
         try {
             $options = $this->createHttpClientOption();
@@ -226,16 +234,20 @@ use {{invokerPackage}}\ObjectSerializer;
      * {{.}}
      *
 {{/description}}
+{{#vendorExtensions.x-group-parameters}}
+     * Note: the inpput parameter is an associative array with the keys listed as the parameter name below
+     *
+{{/vendorExtensions.x-group-parameters}}
 {{#allParams}}
      * @param  {{dataType}} ${{paramName}}{{#description}} {{description}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}
 {{/allParams}}
      *
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function {{operationId}}Async({{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}})
+    public function {{operationId}}Async({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}$associative_array{{/vendorExtensions.x-group-parameters}})
     {
-        return $this->{{operationId}}AsyncWithHttpInfo({{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}})
+        return $this->{{operationId}}AsyncWithHttpInfo({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}$associative_array{{/vendorExtensions.x-group-parameters}})
             ->then(
                 function ($response) {
                     return $response[0];
@@ -252,17 +264,21 @@ use {{invokerPackage}}\ObjectSerializer;
      * {{.}}
      *
 {{/description}}
+{{#vendorExtensions.x-group-parameters}}
+     * Note: the inpput parameter is an associative array with the keys listed as the parameter name below
+     *
+{{/vendorExtensions.x-group-parameters}}
 {{#allParams}}
      * @param  {{dataType}} ${{paramName}}{{#description}} {{description}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}
 {{/allParams}}
      *
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function {{operationId}}AsyncWithHttpInfo({{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}})
+    public function {{operationId}}AsyncWithHttpInfo({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}$associative_array{{/vendorExtensions.x-group-parameters}})
     {
         $returnType = '{{returnType}}';
-        $request = $this->{{operationId}}Request({{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
+        $request = $this->{{operationId}}Request({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}$associative_array{{/vendorExtensions.x-group-parameters}});
 
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
@@ -306,15 +322,26 @@ use {{invokerPackage}}\ObjectSerializer;
     /**
      * Create request for operation '{{{operationId}}}'
      *
+{{#vendorExtensions.x-group-parameters}}
+     * Note: the input parameter is an associative array with the keys listed as the parameter name below
+     *
+{{/vendorExtensions.x-group-parameters}}
 {{#allParams}}
      * @param  {{dataType}} ${{paramName}}{{#description}} {{description}}{{/description}} {{#required}}(required){{/required}}{{^required}}(optional{{#defaultValue}}, default to {{{.}}}{{/defaultValue}}){{/required}}
 {{/allParams}}
      *
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request
      */
-    protected function {{operationId}}Request({{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}})
+    protected function {{operationId}}Request({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{^required}} = {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}{{/required}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}$associative_array{{/vendorExtensions.x-group-parameters}})
     {
+        {{#vendorExtensions.x-group-parameters}}
+        // unbox the parameters from the associative array
+        {{#allParams}}
+        ${{paramName}} = array_key_exists('{{paramName}}', $associative_array) ? $associative_array['{{paramName}}'] : {{#defaultValue}}{{{.}}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}};
+        {{/allParams}}
+
+        {{/vendorExtensions.x-group-parameters}}
         {{#allParams}}
         {{#required}}
         // verify the required parameter '{{paramName}}' is set

diff --git a/modules/openapi-generator/src/main/resources/php/api_doc.mustache b/modules/openapi-generator/src/main/resources/php/api_doc.mustache
@@ -21,31 +21,45 @@ Method | HTTP request | Description
 ```php
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
-{{#hasAuthMethods}}{{#authMethods}}{{#isBasic}}
+
+{{#hasAuthMethods}}
+{{#authMethods}}
+{{#isBasic}}
 // Configure HTTP basic authorization: {{{name}}}
 $config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()
               ->setUsername('YOUR_USERNAME')
               ->setPassword('YOUR_PASSWORD');
-{{/isBasic}}{{#isApiKey}}
+{{/isBasic}}
+{{#isApiKey}}
 // Configure API key authorization: {{{name}}}
 $config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setApiKey('{{{keyParamName}}}', 'YOUR_API_KEY');
 // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
-// $config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setApiKeyPrefix('{{{keyParamName}}}', 'Bearer');{{/isApiKey}}{{#isOAuth}}
+// $config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setApiKeyPrefix('{{{keyParamName}}}', 'Bearer');
+{{/isApiKey}}
+{{#isOAuth}}
 // Configure OAuth2 access token for authorization: {{{name}}}
-$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');{{/isOAuth}}{{/authMethods}}
-{{/hasAuthMethods}}
+$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
+{{/isOAuth}}
+{{/authMethods}}
 
+{{/hasAuthMethods}}
 $apiInstance = new {{invokerPackage}}\Api\{{classname}}(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
     new GuzzleHttp\Client(){{#hasAuthMethods}},
     $config{{/hasAuthMethods}}
 );
+{{^vendorExtensions.x-group-parameters}}
 {{#allParams}}${{paramName}} = {{{example}}}; // {{{dataType}}} | {{{description}}}
 {{/allParams}}
+{{/vendorExtensions.x-group-parameters}}
+{{#vendorExtensions.x-group-parameters}}
+{{#allParams}}$associate_array['{{paramName}}'] = {{{example}}}; // {{{dataType}}} | {{{description}}}
+{{/allParams}}
+{{/vendorExtensions.x-group-parameters}}
 
 try {
-    {{#returnType}}$result = {{/returnType}}$apiInstance->{{{operationId}}}({{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});{{#returnType}}
+    {{#returnType}}$result = {{/returnType}}$apiInstance->{{{operationId}}}({{^vendorExtensions.x-group-parameters}}{{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}}{{/vendorExtensions.x-group-parameters}}{{#vendorExtensions.x-group-parameters}}$associate_array{{/vendorExtensions.x-group-parameters}});{{#returnType}}
     print_r($result);{{/returnType}}
 } catch (Exception $e) {
     echo 'Exception when calling {{classname}}->{{operationId}}: ', $e->getMessage(), PHP_EOL;
@@ -54,6 +68,10 @@ try {
 ```
 
 ### Parameters
+{{#vendorExtensions.x-group-parameters}}
+Note: the input parameter is an associative array with the keys listed as the parameter name below.
+
+{{/vendorExtensions.x-group-parameters}}
 {{^allParams}}This endpoint does not need any parameter.{{/allParams}}{{#allParams}}{{#-last}}
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------{{/-last}}{{/allParams}}

diff --git a/...api-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml b/...api-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml
@@ -792,6 +792,30 @@ paths:
           description: User not found
       security:
         - http_basic_test: []
+    delete:
+      tags:
+        - fake
+      summary: Fake endpoint to test group parameters (optional)
+      description: Fake endpoint to test group parameters (optional)
+      operationId: testGroupParameters
+      x-group-parameters: true
+      parameters:
+        - name: string_group
+          type: integer
+          in: query
+          description: String in group parameters
+        - name: boolean_group
+          type: boolean
+          in: header
+          description: Boolean in group parameters
+        - name: int64_group
+          type: integer
+          format: int64
+          in: query
+          description: Integer in group parameters
+      responses:
+        '400':
+          description: Someting wrong
   /fake/outer/number:
     post:
       tags:

diff --git a/...api-generator/src/test/resources/3_0/petstore-with-fake-endpoints-models-for-testing.yaml b/...api-generator/src/test/resources/3_0/petstore-with-fake-endpoints-models-for-testing.yaml
@@ -765,6 +765,33 @@ paths:
                 - double
                 - pattern_without_delimiter
                 - byte
+    delete:
+      tags:
+        - fake
+      summary: Fake endpoint to test group parameters (optional)
+      description: Fake endpoint to test group parameters (optional)
+      operationId: testGroupParameters
+      x-group-parameters: true
+      parameters:
+        - name: string_group
+          in: query
+          description: String in group parameters
+          schema:
+            type: integer
+        - name: boolean_group
+          in: header
+          description: Boolean in group parameters
+          schema:
+            type: boolean
+        - name: int64_group
+          in: query
+          description: Integer in group parameters
+          schema:
+            type: integer
+            format: int64
+      responses:
+        '400':
+          description: Someting wrong
   /fake/outer/number:
     post:
       tags:
@@ -911,7 +938,7 @@ paths:
         - $another-fake?
       summary: To test special tags
       description: To test special tags and operation ID starting with number
-      operationId: 123_test_@#$%_special_tags
+      operationId: '123_test_@#$%_special_tags'
       responses:
         '200':
           description: successful operation

diff --git a/samples/client/petstore/csharp/OpenAPIClient/README.md b/samples/client/petstore/csharp/OpenAPIClient/README.md
@@ -106,6 +106,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**TestClientModel**](docs/FakeApi.md#testclientmodel) | **PATCH** /fake | To test \"client\" model
 *FakeApi* | [**TestEndpointParameters**](docs/FakeApi.md#testendpointparameters) | **POST** /fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
 *FakeApi* | [**TestEnumParameters**](docs/FakeApi.md#testenumparameters) | **GET** /fake | To test enum parameters
+*FakeApi* | [**TestGroupParameters**](docs/FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *FakeApi* | [**TestInlineAdditionalProperties**](docs/FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *FakeApi* | [**TestJsonFormData**](docs/FakeApi.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
 *FakeClassnameTags123Api* | [**TestClassname**](docs/FakeClassnameTags123Api.md#testclassname) | **PATCH** /fake_classname_test | To test class name in snake case

diff --git a/samples/client/petstore/csharp/OpenAPIClient/docs/FakeApi.md b/samples/client/petstore/csharp/OpenAPIClient/docs/FakeApi.md
@@ -13,6 +13,7 @@ Method | HTTP request | Description
 [**TestClientModel**](FakeApi.md#testclientmodel) | **PATCH** /fake | To test \&quot;client\&quot; model
 [**TestEndpointParameters**](FakeApi.md#testendpointparameters) | **POST** /fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
 [**TestEnumParameters**](FakeApi.md#testenumparameters) | **GET** /fake | To test enum parameters
+[**TestGroupParameters**](FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**TestInlineAdditionalProperties**](FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**TestJsonFormData**](FakeApi.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
 
@@ -600,6 +601,70 @@ No authorization required
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
+<a name="testgroupparameters"></a>
+# **TestGroupParameters**
+> void TestGroupParameters (int? stringGroup = null, bool? booleanGroup = null, long? int64Group = null)
+
+Fake endpoint to test group parameters (optional)
+
+Fake endpoint to test group parameters (optional)
+
+### Example
+```csharp
+using System;
+using System.Diagnostics;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Client;
+using Org.OpenAPITools.Model;
+
+namespace Example
+{
+    public class TestGroupParametersExample
+    {
+        public void main()
+        {
+            var apiInstance = new FakeApi();
+            var stringGroup = 56;  // int? | String in group parameters (optional) 
+            var booleanGroup = true;  // bool? | Boolean in group parameters (optional) 
+            var int64Group = 789;  // long? | Integer in group parameters (optional) 
+
+            try
+            {
+                // Fake endpoint to test group parameters (optional)
+                apiInstance.TestGroupParameters(stringGroup, booleanGroup, int64Group);
+            }
+            catch (Exception e)
+            {
+                Debug.Print("Exception when calling FakeApi.TestGroupParameters: " + e.Message );
+            }
+        }
+    }
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **stringGroup** | **int?**| String in group parameters | [optional] 
+ **booleanGroup** | **bool?**| Boolean in group parameters | [optional] 
+ **int64Group** | **long?**| Integer in group parameters | [optional] 
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
 <a name="testinlineadditionalproperties"></a>
 # **TestInlineAdditionalProperties**
 > void TestInlineAdditionalProperties (Dictionary<string, string> requestBody)