symfony/symfony — pull request #4149 by Herzult (2012-04-28 21:40:06+00:00)
Title: [Validator] Add CollectionSize constraint

Bug fix: no
Feature addition: yes
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: -
Todo: -

I will also send a PR to the documentation as soon as this one is accepted.