[Validator] Add PHP Attributes to severity and translation examples

Author: wkania

validation/severity.rst

@@ -50,6 +50,25 @@ Use the ``payload`` option to configure the error level for each constraint:
             protected $bankAccountNumber;
         }
 
+    .. code-block:: php-attributes
+
+        // src/Entity/User.php
+        namespace App\Entity;
+
+        use Symfony\Component\Validator\Constraints as Assert;
+
+        class User
+        {
+            #[Assert\NotBlank(payload: ['severity' => 'error'])]
+            protected $username;
+
+            #[Assert\NotBlank(payload: ['severity' => 'error'])]
+            protected $password;
+
+            #[Assert\Iban(payload: ['severity' => 'warning'])]
+            protected $bankAccountNumber;
+        }
+
     .. code-block:: yaml
 
         # config/validator/validation.yaml

validation/translations.rst

@@ -40,6 +40,19 @@ property is not empty, add the following:
             public $name;
         }
 
+    .. code-block:: php-attributes
+
+        // src/Entity/Author.php
+        namespace App\Entity;
+
+        use Symfony\Component\Validator\Constraints as Assert;
+
+        class Author
+        {
+            #[Assert\NotBlank(message: 'author.name.not_blank')]
+            public $name;
+        }
+
     .. code-block:: yaml
 
         # config/validator/validation.yaml