Respect/Validation — pull request #173 by flip111 (2014-05-04 10:28:18+00:00)
Title: notEmpty fix

For strings only: notEmpty now means "there was content supplied", rather than "the content was not empty according to the php empty function".

Effect: notEmpty no longer validates to false when string "0" is supplied.

This make more sense when validating HTML forms.

Related issue: https://github.com/Respect/Validation/issues/154