symfony/symfony — pull request #10222 by fabpot (2014-02-10 06:35:30+00:00)
Title: [ExpressionLanguage] added some documentation about functions

| Q | A
| ------------- | ---
| Bug fix? | no
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | #10216
| License | MIT
| Doc PR | n/a

This adds documentation about how to define a function in the expression language.