symfony
diff --git a/‎UPGRADE-5.4.md
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+3-3Lines changed: 3 additions & 3 deletions b/‎UPGRADE-5.4.md
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+3-3Lines changed: 3 additions & 3 deletions
diff --git a/‎src/Symfony/Component/Security/Core/Authorization/ExpressionLanguageProvider.php
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+3-1Lines changed: 3 additions & 1 deletion b/‎src/Symfony/Component/Security/Core/Authorization/ExpressionLanguageProvider.php
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+3-1Lines changed: 3 additions & 1 deletion
diff --git a/‎src/Symfony/Component/Security/Core/CHANGELOG.md
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+3-3Lines changed: 3 additions & 3 deletions b/‎src/Symfony/Component/Security/Core/CHANGELOG.md
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+3-3Lines changed: 3 additions & 3 deletions
@@ -61,9 +61,9 @@ Security
 
  * Deprecate `AuthenticatedVoter::IS_AUTHENTICATED_ANONYMOUSLY` and `AuthenticatedVoter::IS_ANONYMOUS`,
    use `AuthenticatedVoter::IS_AUTHENTICATED_FULLY` or `AuthenticatedVoter::IS_AUTHENTICATED` instead.
- * Deprecate `AuthenticationTrustResolverInterface::isAnonymous()` as anonymous no longer exists
-   in version 6, use the `isFullFledged()` or the new `isAuthenticated()` instead if you want to
-   check if the request is (fully) authenticated.
+ * Deprecate `AuthenticationTrustResolverInterface::isAnonymous()` and the `is_anonymous()` expression function
+   as anonymous no longer exists in version 6, use the `isFullFledged()` or the new `isAuthenticated()` instead
+   if you want to check if the request is (fully) authenticated.
  * Deprecate the `$authManager` argument of `AccessListener`
  * Deprecate the `$authenticationManager` argument of the `AuthorizationChecker` constructor
  * Deprecate setting the `$alwaysAuthenticate` argument to `true` and not setting the
 
@@ -26,8 +26,10 @@ public function getFunctions()
     {
         return [
             new ExpressionFunction('is_anonymous', function () {
-                return '$token && $auth_checker->isGranted("IS_ANONYMOUS")';
+                return 'trigger_deprecation("symfony/security-core", "5.4", "The \"is_anonymous()\" expression function is deprecated.") || ($token && $auth_checker->isGranted("IS_ANONYMOUS"))';
             }, function (array $variables) {
+                trigger_deprecation('symfony/security-core', '5.4', 'The "is_anonymous()" expression function is deprecated.');
+
                 return $variables['token'] && $variables['auth_checker']->isGranted('IS_ANONYMOUS');
             }),
 
 
@@ -6,9 +6,9 @@ CHANGELOG
 
  * Deprecate `AuthenticatedVoter::IS_AUTHENTICATED_ANONYMOUSLY` and `AuthenticatedVoter::IS_ANONYMOUS`,
    use `AuthenticatedVoter::IS_AUTHENTICATED_FULLY` or `AuthenticatedVoter::IS_AUTHENTICATED` instead.
- * Deprecate `AuthenticationTrustResolverInterface::isAnonymous()` as anonymous no longer exists
-   in version 6, use the `isFullFledged()` or the new `isAuthenticated()` instead if you want to
-   check if the request is (fully) authenticated.
+ * Deprecate `AuthenticationTrustResolverInterface::isAnonymous()` and the `is_anonymous()` expression
+   function as anonymous no longer exists in version 6, use the `isFullFledged()` or the new
+   `isAuthenticated()` instead if you want to check if the request is (fully) authenticated.
  * Deprecate the `$authenticationManager` argument of the `AuthorizationChecker` constructor
  * Deprecate setting the `$alwaysAuthenticate` argument to `true` and not setting the
    `$exceptionOnNoToken` argument to `false` of `AuthorizationChecker`