use named arguments to configure validation constraints

Author: xabbuh

validation/raw_values.rst

@@ -78,11 +78,11 @@ Validation of arrays is possible using the ``Collection`` constraint::
         'eye_color' => new Assert\Choice(choices: [3, 4]),
         'file' => new Assert\File(),
         'password' => new Assert\Length(['min' => 60]),
-        'tags' => new Assert\Optional([
-            new Assert\Type('array'),
-            new Assert\Count(['min' => 1]),
+        'tags' => new Assert\Optional(constraints: [
+            new Assert\Type(type: 'array'),
+            new Assert\Count(min: 1),
             new Assert\All([
-                new Assert\Collection([
+                new Assert\Collection(constraints: [
                     'slug' => [
                         new Assert\NotBlank(),
                         new Assert\Type(['type' => 'string']),
@@ -91,7 +91,7 @@ Validation of arrays is possible using the ``Collection`` constraint::
                         new Assert\NotBlank(),
                     ],
                 ]),
-                new CustomUniqueTagValidator(['groups' => 'custom']),
+                new CustomUniqueTagValidator(groups: ['custom']),
             ]),
         ]),
     ]);