kriswallsmith/assetic — pull request #675 by oxkhar (2014-11-12 14:22:03+00:00)
Title: best condition to avoid warning in strpos when  empty string

To avoid throw a warning advise when *strpos* is searching in a *$targetDir* empty.
This sentences are executed when ```$targetDir = '/something'```
This stopped my scripts and no assets are generated