diff --git a/modules/openapi-generator/src/main/resources/php/Configuration.mustache b/modules/openapi-generator/src/main/resources/php/Configuration.mustache
index 35a4ab5c5e89..23e1e74474f0 100644
--- a/modules/openapi-generator/src/main/resources/php/Configuration.mustache
+++ b/modules/openapi-generator/src/main/resources/php/Configuration.mustache
@@ -46,7 +46,7 @@ class Configuration
     protected $apiKeyPrefixes = [];
 
     /**
-     * Access token for OAuth
+     * Access token for OAuth/Bearer authentication
      *
      * @var string
      */
diff --git a/modules/openapi-generator/src/main/resources/php/README.mustache b/modules/openapi-generator/src/main/resources/php/README.mustache
index a617b0547e0d..573e02aa2626 100644
--- a/modules/openapi-generator/src/main/resources/php/README.mustache
+++ b/modules/openapi-generator/src/main/resources/php/README.mustache
@@ -66,19 +66,9 @@ Please follow the [installation procedure](#installation--usage) and then run th
 ```php
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
-{{#apiInfo}}{{#apis}}{{#-first}}{{#operations}}{{#operation}}{{#-first}}{{#hasAuthMethods}}{{#authMethods}}{{#isBasic}}
-// Configure HTTP basic authorization: {{{name}}}
-$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()
-    ->setUsername('YOUR_USERNAME')
-    ->setPassword('YOUR_PASSWORD');{{/isBasic}}{{#isApiKey}}
-// Configure API key authorization: {{{name}}}
-$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setApiKey('{{{keyParamName}}}', 'YOUR_API_KEY');
-// Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
-// $config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setApiKeyPrefix('{{{keyParamName}}}', 'Bearer');{{/isApiKey}}{{#isOAuth}}
-// Configure OAuth2 access token for authorization: {{{name}}}
-$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');{{/isOAuth}}{{/authMethods}}
-{{/hasAuthMethods}}
 
+{{#apiInfo}}{{#apis}}{{#-first}}{{#operations}}{{#operation}}{{#-first}}
+{{> php_doc_auth_partial}}
 $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.
@@ -114,21 +104,33 @@ Class | Method | HTTP request | Description
 
 ## Documentation For Authorization
 
-{{^authMethods}} All endpoints do not require authorization.
-{{/authMethods}}{{#authMethods}}{{#last}} Authentication schemes defined for the API:{{/last}}{{/authMethods}}
-{{#authMethods}}## {{{name}}}
+{{^authMethods}}
+All endpoints do not require authorization.
+{{/authMethods}}
+{{#authMethods}}
+{{#last}} Authentication schemes defined for the API:{{/last}}
+## {{{name}}}
 
-{{#isApiKey}}- **Type**: API key
+{{#isApiKey}}
+- **Type**: API key
 - **API key parameter name**: {{{keyParamName}}}
 - **Location**: {{#isKeyInQuery}}URL query string{{/isKeyInQuery}}{{#isKeyInHeader}}HTTP header{{/isKeyInHeader}}
 {{/isApiKey}}
-{{#isBasic}}- **Type**: HTTP basic authentication
+{{#isBasic}}
+{{^isBasicBearer}}
+- **Type**: HTTP basic authentication
+{{/isBasicBearer}}
+{{#isBasicBearer}}
+- **Type**: Bearer authentication{{#bearerFormat}} ({{{.}}}){{/bearerFormat}}
+{{/isBasicBearer}}
 {{/isBasic}}
-{{#isOAuth}}- **Type**: OAuth
+{{#isOAuth}}
+- **Type**: OAuth
 - **Flow**: {{{flow}}}
 - **Authorization URL**: {{{authorizationUrl}}}
 - **Scopes**: {{^scopes}}N/A{{/scopes}}
-{{#scopes}} - **{{{scope}}}**: {{{description}}}
+{{#scopes}}
+- **{{{scope}}}**: {{{description}}}
 {{/scopes}}
 {{/isOAuth}}
 
diff --git a/modules/openapi-generator/src/main/resources/php/api.mustache b/modules/openapi-generator/src/main/resources/php/api.mustache
index 9329db910b78..72e7ccd723b2 100644
--- a/modules/openapi-generator/src/main/resources/php/api.mustache
+++ b/modules/openapi-generator/src/main/resources/php/api.mustache
@@ -506,10 +506,18 @@ use {{invokerPackage}}\ObjectSerializer;
         }
         {{/isApiKey}}
         {{#isBasic}}
+        {{^isBasicBearer}}
         // this endpoint requires HTTP basic authentication
         if ($this->config->getUsername() !== null || $this->config->getPassword() !== null) {
             $headers['Authorization'] = 'Basic ' . base64_encode($this->config->getUsername() . ":" . $this->config->getPassword());
         }
+        {{/isBasicBearer}}
+        {{#isBasicBearer}}
+        // this endpoint requires Bearer{{#bearerFormat}} ({{{.}}}){{/bearerFormat}} authentication (access token)
+        if ($this->config->getAccessToken() !== null) {
+            $headers['Authorization'] = 'Bearer ' . $this->config->getAccessToken();
+        }
+        {{/isBasicBearer}}
         {{/isBasic}}
         {{#isOAuth}}
         // this endpoint requires OAuth (access token)
diff --git a/modules/openapi-generator/src/main/resources/php/api_doc.mustache b/modules/openapi-generator/src/main/resources/php/api_doc.mustache
index 262fcb8f3271..8dfc0c09bc6c 100644
--- a/modules/openapi-generator/src/main/resources/php/api_doc.mustache
+++ b/modules/openapi-generator/src/main/resources/php/api_doc.mustache
@@ -22,27 +22,7 @@ Method | HTTP request | Description
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
-{{#hasAuthMethods}}
-{{#authMethods}}
-{{#isBasic}}
-// Configure HTTP basic authorization: {{{name}}}
-$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()
-              ->setUsername('YOUR_USERNAME')
-              ->setPassword('YOUR_PASSWORD');
-{{/isBasic}}
-{{#isApiKey}}
-// Configure API key authorization: {{{name}}}
-$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setApiKey('{{{keyParamName}}}', 'YOUR_API_KEY');
-// Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
-// $config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setApiKeyPrefix('{{{keyParamName}}}', 'Bearer');
-{{/isApiKey}}
-{{#isOAuth}}
-// Configure OAuth2 access token for authorization: {{{name}}}
-$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
-{{/isOAuth}}
-{{/authMethods}}
-
-{{/hasAuthMethods}}
+{{> php_doc_auth_partial}}
 $apiInstance = new {{invokerPackage}}\Api\{{classname}}(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/modules/openapi-generator/src/main/resources/php/php_doc_auth_partial.mustache b/modules/openapi-generator/src/main/resources/php/php_doc_auth_partial.mustache
new file mode 100644
index 000000000000..1c4696ab1884
--- /dev/null
+++ b/modules/openapi-generator/src/main/resources/php/php_doc_auth_partial.mustache
@@ -0,0 +1,27 @@
+{{#hasAuthMethods}}
+{{#authMethods}}
+{{#isBasic}}
+{{^isBasicBearer}}
+// Configure HTTP basic authorization: {{{name}}}
+$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()
+              ->setUsername('YOUR_USERNAME')
+              ->setPassword('YOUR_PASSWORD');
+{{/isBasicBearer}}
+{{#isBasicBearer}}
+// Configure Bearer{{#bearerFormat}} ({{{.}}}){{/bearerFormat}} authorization: {{{name}}}
+$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
+{{/isBasicBearer}}
+{{/isBasic}}
+{{#isApiKey}}
+// Configure API key authorization: {{{name}}}
+$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setApiKey('{{{keyParamName}}}', 'YOUR_API_KEY');
+// Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
+// $config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setApiKeyPrefix('{{{keyParamName}}}', 'Bearer');
+{{/isApiKey}}
+{{#isOAuth}}
+// Configure OAuth2 access token for authorization: {{{name}}}
+$config = {{{invokerPackage}}}\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
+{{/isOAuth}}
+
+{{/authMethods}}
+{{/hasAuthMethods}}
diff --git a/samples/client/petstore/php/OpenAPIClient-php/README.md b/samples/client/petstore/php/OpenAPIClient-php/README.md
index 10e87b292a8a..e8f03bfa9867 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/README.md
+++ b/samples/client/petstore/php/OpenAPIClient-php/README.md
@@ -56,6 +56,8 @@ Please follow the [installation procedure](#installation--usage) and then run th
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
+
 $apiInstance = new OpenAPI\Client\Api\AnotherFakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -167,24 +169,27 @@ Class | Method | HTTP request | Description
 - **API key parameter name**: api_key
 - **Location**: HTTP header
 
+
 ## api_key_query
 
 - **Type**: API key
 - **API key parameter name**: api_key_query
 - **Location**: URL query string
 
+
 ## http_basic_test
 
 - **Type**: HTTP basic authentication
 
+
 ## petstore_auth
 
 - **Type**: OAuth
 - **Flow**: implicit
 - **Authorization URL**: http://petstore.swagger.io/api/oauth/dialog
 - **Scopes**: 
- - **write:pets**: modify pets in your account
- - **read:pets**: read your pets
+- **write:pets**: modify pets in your account
+- **read:pets**: read your pets
 
 
 ## Author
diff --git a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/AnotherFakeApi.md b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/AnotherFakeApi.md
index b2a2d9703c20..a7491a3adde9 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/AnotherFakeApi.md
+++ b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/AnotherFakeApi.md
@@ -19,6 +19,7 @@ To test special tags and operation ID starting with number
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\AnotherFakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/FakeApi.md b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/FakeApi.md
index 0ae31047e5ae..373f9c08c954 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/FakeApi.md
+++ b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/FakeApi.md
@@ -31,6 +31,7 @@ this route creates an XmlItem
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -79,6 +80,7 @@ Test serialization of outer boolean types
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -128,6 +130,7 @@ Test serialization of object with outer number type
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -177,6 +180,7 @@ Test serialization of outer number types
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -226,6 +230,7 @@ Test serialization of outer string types
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -275,6 +280,7 @@ For this test, the body for this request much reference a schema named `File`.
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -321,6 +327,7 @@ No authorization required
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -371,6 +378,7 @@ To test \"client\" model
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -425,6 +433,7 @@ $config = OpenAPI\Client\Configuration::getDefaultConfiguration()
               ->setUsername('YOUR_USERNAME')
               ->setPassword('YOUR_PASSWORD');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -500,6 +509,7 @@ To test enum parameters
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -562,6 +572,7 @@ Fake endpoint to test group parameters (optional)
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -620,6 +631,7 @@ test inline additionalProperties
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -666,6 +678,7 @@ test json serialization of form data
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/FakeClassnameTags123Api.md b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/FakeClassnameTags123Api.md
index 447242b2043c..b2460215a43e 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/FakeClassnameTags123Api.md
+++ b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/FakeClassnameTags123Api.md
@@ -24,6 +24,7 @@ $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKey('ap
 // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
 // $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKeyPrefix('api_key_query', 'Bearer');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeClassnameTags123Api(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/PetApi.md b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/PetApi.md
index 8b2f55139f7b..690cbad82dff 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/PetApi.md
+++ b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/PetApi.md
@@ -28,6 +28,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -78,6 +79,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -132,6 +134,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -185,6 +188,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -240,6 +244,7 @@ $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKey('ap
 // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
 // $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKeyPrefix('api_key', 'Bearer');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -291,6 +296,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -341,6 +347,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -395,6 +402,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -450,6 +458,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/StoreApi.md b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/StoreApi.md
index 8dbdc81fe260..de83fe032553 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/StoreApi.md
+++ b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/StoreApi.md
@@ -22,6 +22,7 @@ For valid response try integer IDs with value < 1000. Anything above 1000 or non
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\StoreApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -75,6 +76,7 @@ $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKey('ap
 // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
 // $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKeyPrefix('api_key', 'Bearer');
 
+
 $apiInstance = new OpenAPI\Client\Api\StoreApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -121,6 +123,7 @@ For valid response try integer IDs with value <= 5 or > 10. Other values will ge
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\StoreApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -168,6 +171,7 @@ Place an order for a pet
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\StoreApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/UserApi.md b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/UserApi.md
index a3cec4c5713f..ce969e4e0a1e 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/docs/Api/UserApi.md
+++ b/samples/client/petstore/php/OpenAPIClient-php/docs/Api/UserApi.md
@@ -26,6 +26,7 @@ This can only be done by the logged in user.
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -72,6 +73,7 @@ Creates list of users with given input array
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -118,6 +120,7 @@ Creates list of users with given input array
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -166,6 +169,7 @@ This can only be done by the logged in user.
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -212,6 +216,7 @@ Get user by user name
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -259,6 +264,7 @@ Logs user into the system
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -308,6 +314,7 @@ Logs out current logged in user session
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -352,6 +359,7 @@ This can only be done by the logged in user.
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
index e9c5da06eab4..9e69cfe620fb 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
@@ -56,7 +56,7 @@ class Configuration
     protected $apiKeyPrefixes = [];
 
     /**
-     * Access token for OAuth
+     * Access token for OAuth/Bearer authentication
      *
      * @var string
      */
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/README.md b/samples/openapi3/client/petstore/php/OpenAPIClient-php/README.md
index e12458e161e0..bac4d14fe8e3 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/README.md
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/README.md
@@ -56,6 +56,8 @@ Please follow the [installation procedure](#installation--usage) and then run th
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
+
 $apiInstance = new OpenAPI\Client\Api\AnotherFakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -172,28 +174,32 @@ Class | Method | HTTP request | Description
 - **API key parameter name**: api_key
 - **Location**: HTTP header
 
+
 ## api_key_query
 
 - **Type**: API key
 - **API key parameter name**: api_key_query
 - **Location**: URL query string
 
+
 ## bearer_test
 
-- **Type**: HTTP basic authentication
+- **Type**: Bearer authentication (JWT)
+
 
 ## http_basic_test
 
 - **Type**: HTTP basic authentication
 
+
 ## petstore_auth
 
 - **Type**: OAuth
 - **Flow**: implicit
 - **Authorization URL**: http://petstore.swagger.io/api/oauth/dialog
 - **Scopes**: 
- - **write:pets**: modify pets in your account
- - **read:pets**: read your pets
+- **write:pets**: modify pets in your account
+- **read:pets**: read your pets
 
 
 ## Author
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/AnotherFakeApi.md b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/AnotherFakeApi.md
index 7534a4dd24a1..daefc1a9a747 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/AnotherFakeApi.md
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/AnotherFakeApi.md
@@ -19,6 +19,7 @@ To test special tags and operation ID starting with number
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\AnotherFakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/DefaultApi.md b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/DefaultApi.md
index 6696bd33785f..cf63795b4bc8 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/DefaultApi.md
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/DefaultApi.md
@@ -17,6 +17,7 @@ Method | HTTP request | Description
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\DefaultApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/FakeApi.md b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/FakeApi.md
index 136b65b7d2ed..e6804845b95f 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/FakeApi.md
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/FakeApi.md
@@ -30,6 +30,7 @@ Test serialization of outer boolean types
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -79,6 +80,7 @@ Test serialization of object with outer number type
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -128,6 +130,7 @@ Test serialization of outer number types
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -177,6 +180,7 @@ Test serialization of outer string types
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -226,6 +230,7 @@ For this test, the body for this request much reference a schema named `File`.
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -272,6 +277,7 @@ No authorization required
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -322,6 +328,7 @@ To test \"client\" model
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -376,6 +383,7 @@ $config = OpenAPI\Client\Configuration::getDefaultConfiguration()
               ->setUsername('YOUR_USERNAME')
               ->setPassword('YOUR_PASSWORD');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -451,6 +459,7 @@ To test enum parameters
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -513,10 +522,9 @@ Fake endpoint to test group parameters (optional)
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
-// Configure HTTP basic authorization: bearer_test
-$config = OpenAPI\Client\Configuration::getDefaultConfiguration()
-              ->setUsername('YOUR_USERNAME')
-              ->setPassword('YOUR_PASSWORD');
+// Configure Bearer (JWT) authorization: bearer_test
+$config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
+
 
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
@@ -577,6 +585,7 @@ test inline additionalProperties
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -623,6 +632,7 @@ test json serialization of form data
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/FakeClassnameTags123Api.md b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/FakeClassnameTags123Api.md
index b4c7dcfff38c..cf1c8a443e46 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/FakeClassnameTags123Api.md
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/FakeClassnameTags123Api.md
@@ -24,6 +24,7 @@ $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKey('ap
 // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
 // $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKeyPrefix('api_key_query', 'Bearer');
 
+
 $apiInstance = new OpenAPI\Client\Api\FakeClassnameTags123Api(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/PetApi.md b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/PetApi.md
index ebd48de8fe3b..7744b3c1a777 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/PetApi.md
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/PetApi.md
@@ -28,6 +28,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -78,6 +79,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -132,6 +134,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -185,6 +188,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -240,6 +244,7 @@ $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKey('ap
 // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
 // $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKeyPrefix('api_key', 'Bearer');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -291,6 +296,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -341,6 +347,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -395,6 +402,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -450,6 +458,7 @@ require_once(__DIR__ . '/vendor/autoload.php');
 // Configure OAuth2 access token for authorization: petstore_auth
 $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');
 
+
 $apiInstance = new OpenAPI\Client\Api\PetApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/StoreApi.md b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/StoreApi.md
index c607217ea449..7f7a1952b0aa 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/StoreApi.md
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/StoreApi.md
@@ -22,6 +22,7 @@ For valid response try integer IDs with value < 1000. Anything above 1000 or non
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\StoreApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -75,6 +76,7 @@ $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKey('ap
 // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
 // $config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setApiKeyPrefix('api_key', 'Bearer');
 
+
 $apiInstance = new OpenAPI\Client\Api\StoreApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -121,6 +123,7 @@ For valid response try integer IDs with value <= 5 or > 10. Other values will ge
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\StoreApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -168,6 +171,7 @@ Place an order for a pet
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\StoreApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/UserApi.md b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/UserApi.md
index f57c5028497c..057d16b19f12 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/UserApi.md
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/docs/Api/UserApi.md
@@ -26,6 +26,7 @@ This can only be done by the logged in user.
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -72,6 +73,7 @@ Creates list of users with given input array
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -118,6 +120,7 @@ Creates list of users with given input array
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -166,6 +169,7 @@ This can only be done by the logged in user.
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -212,6 +216,7 @@ Get user by user name
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -259,6 +264,7 @@ Logs user into the system
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -308,6 +314,7 @@ Logs out current logged in user session
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
@@ -352,6 +359,7 @@ This can only be done by the logged in user.
 <?php
 require_once(__DIR__ . '/vendor/autoload.php');
 
+
 $apiInstance = new OpenAPI\Client\Api\UserApi(
     // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
     // This is optional, `GuzzleHttp\Client` will be used as default.
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php
index a5fa7abaef4d..5e86d0aeed09 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php
@@ -2791,9 +2791,9 @@ protected function testGroupParametersRequest($associative_array)
             }
         }
 
-        // this endpoint requires HTTP basic authentication
-        if ($this->config->getUsername() !== null || $this->config->getPassword() !== null) {
-            $headers['Authorization'] = 'Basic ' . base64_encode($this->config->getUsername() . ":" . $this->config->getPassword());
+        // this endpoint requires Bearer (JWT) authentication (access token)
+        if ($this->config->getAccessToken() !== null) {
+            $headers['Authorization'] = 'Bearer ' . $this->config->getAccessToken();
         }
 
         $defaultHeaders = [];
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Configuration.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
index a45e571f6fb0..5a6bf9617594 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
@@ -56,7 +56,7 @@ class Configuration
     protected $apiKeyPrefixes = [];
 
     /**
-     * Access token for OAuth
+     * Access token for OAuth/Bearer authentication
      *
      * @var string
      */