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I created a module in order to define a few functions that I would like to use from a workflow rule. The workflow rule is triggered by an event and runs a php code snippet. The php snippet that it runs is simply a function call to the function that I defined in my module.

However each time my rule executes the code, I see an error in the httpd error_log - call to undefined function. I ran the module through php lint, and I enabled it, flushed caches, and even restarted httpd for good measure. Still I get the error "PHP Fatal error: Call to undefined function" in the log.

I'm new to modules and Drupal programming so I must be missing something, but I thought functions defined in drupal modules (modulename.module) are global?

BTW I followed the instructions here.

Edit1: I defined my functions in module.module (not .inc...)

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    Have you checked that the module is enabled? – Wtower Feb 12 '14 at 15:55
  • defined in my module - in .module or in .inc? (of course it only matters if it's enabled) – Mołot Feb 12 '14 at 15:59
  • did you flush cache? – jdu Feb 12 '14 at 16:08
  • Yes it's enabled - I actually stated that in the question :) – Brad Hein Feb 12 '14 at 16:26
  • @jdu yes I flushed cache - also mentioned in my question – Brad Hein Feb 12 '14 at 16:27
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I usually define my modules functions in a separate .inc file, and when i need them somewhere (usually sub-modules) i first include them with module_load_include( file-extension, module-name, file-path)

You can add the module_load_include() call at top of your snippet, or, if you need those function in many other places in your module hook_init() and make it avaible to every page.

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  • I like this solution - I'd rather include the functions, run the function, and let them go out of scope and free up those resources. is it OK to have a blank .module and put all my functions in .inc then? – Brad Hein Feb 12 '14 at 16:31
  • I think it worked! I move all functions from my .module into a new functions.inc and used module_load_include to pull in the .inc file and get to my functions. Thank you! – Brad Hein Feb 12 '14 at 16:36
  • Yes you can use a completely empty file for .module (it must exist though). – AyeshK Feb 12 '14 at 16:37
  • You can keep those function inside the .module file too, i have them in a dedicated file for the sake of order – Astrayus Feb 12 '14 at 16:45
  • @astrayus odd thing is when they were in the .module, I get call to undefined function, however when I moved them to the inc, used module_load_include .inc and then call the function, it worked like a charm. – Brad Hein Feb 12 '14 at 18:28

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