Check User Data for Better WHMCS Security
This hook checks user data, in order to prevent the user from registering or later editing his...
WHMCS Client Details Available in Templates (.tpl) Files
In customizing WHMCS client area, several client details are easily available as a predefined...
WHMCS - logActivity() , a undocumented but useful function
To create a log entry in WHMCS there's the LogActivity API (...
WHMCS - Interacting with the Database - Sample Code
WHMCS documentation about database management is very essential and incomplete, lacking any real...
How to prevent the user to use different currencies
It may happen that, for various reasons, you need to configure different currencies in your...
