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Module Development in WHMCS


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I am developing a module for WHMCS.

It seems pretty easy so far, but what I'm not understanding is whether there are any built-in functions to make things easier.

For instance, form validation. If I place a form in my module, is validation all my own responsibility, or are there helpers and such to make things consistent?

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WHMCS has documented a few functions but not all of them and none concerning form validation.


Here is more information on the functions that are documented:




Are there any best practices, or at least other modjule developers who can say how they did their own form validation?


After developing for Drupal, WHMCS is a very different experience. :)

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I either perform form validations manually via regex or I use a form validation class. This one has worked fairly well for me in the past:



It would be nice if WHMCS would document their form validation class then we could use it within custom modules.


Yes, totally agreed.

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