Advanced
Introduction
The following are some advanced customisation options.
- Upgrading to WHMCS 8.0
Everything you need to know to ensure a smooth transition to Version 8. - Creating Pages
Learn how to create additional pages within the WHMCS client area. - Authentication via CurrentUser
Learn how to assess the current authentication state withCurrentUser. - Interacting with the Database
Learn how to interact with the WHMCS database - Date Functions
Learn how to use the date helper functions in WHMCS - Currency Formatting
Learn how to use the currency formatting helper functions in WHMCS - Logging
Learn how to use the logging helper functions in WHMCS - Widgets
Learn how to create widgets using AbstractWidget - JSON File
Provide meta information for modules