Replace deprecated `create_function` with regular lambda function
Replace deprecated `create_function` with regular lambda function

(it's okay as minimal PHP version we support is 5.3)

Recras/symfony1,rock-symphony/rock-symphony,Recras/symfony1,MDrollette/symfony1,Recras/symfony1,rock-symphony/rock-symphony,simoncast/symfony1,simoncast/symfony1,rock-symphony/rock-symphony,MDrollette/symfony1,simoncast/symfony1,MDrollette/symfony1