False
Edit this pageWarning: You are browsing the documentation for Symfony 2.7, which is no longer maintained.
Read the updated version of this page for Symfony 6.1 (the current stable version).
False
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.
