symfony/symfony-docs — pull request #2060 by lmammino (2012-12-24 22:38:22+00:00)
Title: Added image on the data transformers section

Added a descriptive images that resumes how the different kind of data transformers work.
![DataTransformersTypes](https://f.cloud.github.com/assets/205629/30124/905bae6e-4e1a-11e2-9de4-3e66dafc1db5.png)