[drupal-devel] Inter-module function calls

[Moshe Weitzman]

Sheldon Rampton wrote:
> Can someone tell me what the best way is for me to invoke functions from 
> an existing module when writing a new module? For example, 
> "taxonomy_get_vocabularies" from the taxonomy module works fine if I 
> call it directly from within a new module I'm writing, but is it kosher 
> to do this? Should I be using module_invoke instead?

yes, use module_invoke. Your call will not return anything if the target 
module is not enabled.