From 1881480ea5613822b632709b8a4db7c63fce9964 Mon Sep 17 00:00:00 2001
From: Alexandre Daubois <alex.daubois@gmail.com>
Date: Wed, 13 Sep 2023 14:30:52 +0200
Subject: [PATCH] [Validator] Add `is_valid()` expression

---
 reference/constraints/Expression.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/reference/constraints/Expression.rst b/reference/constraints/Expression.rst
index 593aa4b8ba7..877b45c4004 100644
--- a/reference/constraints/Expression.rst
+++ b/reference/constraints/Expression.rst
@@ -244,6 +244,14 @@ in your expression:
 * ``value``: The value of the property being validated (only available when
   the constraint is applied directly to a property);
 
+You also have access to the ``is_valid()`` function in your expression. It
+allows to check that the data passed to function doesn't raise any
+validation violation.
+
+.. versionadded:: 6.4
+
+    The ``is_valid()`` expression function was introduced in Symfony 6.4.
+
 .. include:: /reference/constraints/_groups-option.rst.inc
 
 ``message``