[PHP][php-nextgen] Fix usage of enums in parameters (#20294)

Author: JulianVennen

modules/openapi-generator/src/main/resources/php-nextgen/api.mustache

@@ -711,7 +711,7 @@ use {{invokerPackage}}\ObjectSerializer;
         {{#queryParams}}
         // query params
         $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
-            ${{paramName}},
+            ${{paramName}}{{#isEnumRef}}->value{{/isEnumRef}},
             '{{baseName}}', // param base name
             '{{#schema}}{{openApiType}}{{/schema}}', // openApiType
             '{{style}}', // style
@@ -728,7 +728,7 @@ use {{invokerPackage}}\ObjectSerializer;
         }
         {{/collectionFormat}}
         if (${{paramName}} !== null) {
-            $headerParams['{{baseName}}'] = ObjectSerializer::toHeaderValue(${{paramName}});
+            $headerParams['{{baseName}}'] = ObjectSerializer::toHeaderValue(${{paramName}}{{#isEnumRef}}->value{{/isEnumRef}});
         }
         {{/headerParams}}
 
@@ -742,7 +742,7 @@ use {{invokerPackage}}\ObjectSerializer;
         if (${{paramName}} !== null) {
             $resourcePath = str_replace(
                 '{' . '{{baseName}}' . '}',
-                ObjectSerializer::toPathValue(${{paramName}}),
+                ObjectSerializer::toPathValue(${{paramName}}{{#isEnumRef}}->value{{/isEnumRef}}),
                 $resourcePath
             );
         }

samples/client/echo_api/php-nextgen-streaming/src/Api/HeaderApi.php

@@ -438,7 +438,7 @@ public function testHeaderIntegerBooleanStringEnumsRequest(
         }
         // header params
         if ($enum_ref_string_header !== null) {
-            $headerParams['enum_ref_string_header'] = ObjectSerializer::toHeaderValue($enum_ref_string_header);
+            $headerParams['enum_ref_string_header'] = ObjectSerializer::toHeaderValue($enum_ref_string_header->value);
         }
 
 

samples/client/echo_api/php-nextgen-streaming/src/Api/PathApi.php

@@ -462,7 +462,7 @@ public function testsPathStringPathStringIntegerPathIntegerEnumNonrefStringPathE
         if ($enum_ref_string_path !== null) {
             $resourcePath = str_replace(
                 '{' . 'enum_ref_string_path' . '}',
-                ObjectSerializer::toPathValue($enum_ref_string_path),
+                ObjectSerializer::toPathValue($enum_ref_string_path->value),
                 $resourcePath
             );
         }

samples/client/echo_api/php-nextgen-streaming/src/Api/QueryApi.php

@@ -424,7 +424,7 @@ public function testEnumRefStringRequest(
         ) ?? []);
         // query params
         $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
-            $enum_ref_string_query,
+            $enum_ref_string_query->value,
             'enum_ref_string_query', // param base name
             'StringEnumRef', // openApiType
             'form', // style

samples/client/echo_api/php-nextgen/src/Api/HeaderApi.php

@@ -438,7 +438,7 @@ public function testHeaderIntegerBooleanStringEnumsRequest(
         }
         // header params
         if ($enum_ref_string_header !== null) {
-            $headerParams['enum_ref_string_header'] = ObjectSerializer::toHeaderValue($enum_ref_string_header);
+            $headerParams['enum_ref_string_header'] = ObjectSerializer::toHeaderValue($enum_ref_string_header->value);
         }
 
 

samples/client/echo_api/php-nextgen/src/Api/PathApi.php

@@ -462,7 +462,7 @@ public function testsPathStringPathStringIntegerPathIntegerEnumNonrefStringPathE
         if ($enum_ref_string_path !== null) {
             $resourcePath = str_replace(
                 '{' . 'enum_ref_string_path' . '}',
-                ObjectSerializer::toPathValue($enum_ref_string_path),
+                ObjectSerializer::toPathValue($enum_ref_string_path->value),
                 $resourcePath
             );
         }

samples/client/echo_api/php-nextgen/src/Api/QueryApi.php

@@ -424,7 +424,7 @@ public function testEnumRefStringRequest(
         ) ?? []);
         // query params
         $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
-            $enum_ref_string_query,
+            $enum_ref_string_query->value,
             'enum_ref_string_query', // param base name
             'StringEnumRef', // openApiType
             'form', // style

samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Api/FakeApi.php

@@ -773,7 +773,7 @@ public function fakeEnumEndpointRequest(
 
         // query params
         $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
-            $enum_class,
+            $enum_class->value,
             'enum-class', // param base name
             'EnumClass', // openApiType
             'form', // style