phpDocumentor/phpDocumentor2 — pull request #1273 by mvriel (2014-05-20 21:04:25+00:00)
Title: #1253: Transformation crashes on typehint

The `sort_asc` filter crashes if the provided value is not of type Collection.
Although we do not expect this to be passed should the filter not crash. As such
I have changed the call to just return the current value if it is not a collection