diff --git a/samples/server/petstore/php-symfony/SymfonyBundle-php/Api/PetApiInterface.php b/samples/server/petstore/php-symfony/SymfonyBundle-php/Api/PetApiInterface.php
index ecccdb3058..19e967e41e 100644
--- a/samples/server/petstore/php-symfony/SymfonyBundle-php/Api/PetApiInterface.php
+++ b/samples/server/petstore/php-symfony/SymfonyBundle-php/Api/PetApiInterface.php
@@ -43,15 +43,6 @@ use OpenAPI\Server\Model\Pet;
 interface PetApiInterface
 {
 
-    /**
-     * Sets authentication method api_key
-     *
-     * @param string $value Value of the api_key authentication method.
-     *
-     * @return void
-     */
-    public function setapi_key($value);
-
     /**
      * Sets authentication method petstore_auth
      *
@@ -61,6 +52,15 @@ interface PetApiInterface
      */
     public function setpetstore_auth($value);
 
+    /**
+     * Sets authentication method api_key
+     *
+     * @param string $value Value of the api_key authentication method.
+     *
+     * @return void
+     */
+    public function setapi_key($value);
+
     /**
      * Operation addPet
      *