Check if function/extension is defined
Sección: Symfony
Creado: 15-04-19 (Actualizado: 10-06-19)
In my Symfony2 bundle, I need to check if a function (an extension) is defined. More specifically, if the KnpMenuBundle is installed I use that one in my bundle, otherwise I will render the plugin ...
https://stackoverflow.com/questions/14004106/check-if-function-extension-is-defined