False
Warning: You are browsing the documentation for Symfony 2.x, which is no longer maintained.
Consider upgrading your projects to Symfony 7.1.
Caution
The False constraint is deprecated since Symfony 2.7
and will be removed in Symfony 3.0. Use the
IsFalse constraint instead.
This work, including the code samples, is licensed under a
Creative Commons BY-SA 3.0 license.