What is WHMCS?

WHMCS is an all-in-one client management, billing & support solution for online businesses. Handling everything from signup to termination, WHMCS is a powerful automation & support tool. For details, refer to the vendor’s website.

What is the extension for?

By using this extension, you can greatly simplify the initial installation and configuration of WHMCS. With its help, you will effortlessly go through the following steps, which are either mandatory or recommended by the official documentation:

• Installing PHP.
• Installing ionCube Loader®.
• Configuring PHP for WHMCS.
• Creating a database.
• Downloading WHMCS.
• Installing WHMCS.
• Securing WHMCS.

1.0.6 (15 May 2025)

• [-] The extension now does not show vendor warning in system health page after its installation. (EXTPLESK-8887)

1.0.5 (14 April 2025)

• [-] The extension now applies all recommended security enhancements during its installation. (EXTPLESK-8000)
• [-] It is now possible to create a cron task with additional arguments before installing WHMCS. (EXTPLESK-8861)

1.0.4 (4 March 2025)

• [-] The extension installation via the CLI no longer fails with an error. (EXTPLESK-6364)
• [-] The extension now enforces valid Administrator usernames and passwords during installation to prevent login failures. (EXTPLESK-6382)

1.0.3 (20 January 2025)

• [-] Fixed the issue where scheduled tasks added by the WHMCS extension failed to run with the "/opt/psa/admin/bin/php: No such file or directory" error. (EXTPLESK-6298)

1.0.2 (19 December 2024)

• [-] The extension now correctly applies the "SystemURL" setting. (EXTPLESK-6269)

1.0.1 (9 December 2024)

• [+] We are glad to announce that the WHMCS Installer extension is no longer in beta! We thank everyone who tried the beta version for their participation and feedback.
• [+] Enabled WHMCS installation on remote database servers for enhanced deployment flexibility.
• [+] Introduced a feature to create new domains directly from the Installer page, streamlining the setup process.
• [+] Added tailored notification and promotion banners for new customers to enhance user engagement.
• [+] Allowed pre-configuration of license keys using the CLI to simplify automated setups.
• [*] Resolved warnings on the WHMCS Health page and added actionable recommendations for improved system health monitoring.
• [*] Reduced installation time by preventing duplicate installations, ensuring a smoother setup process.

1.0.0 (28 October 2024)

• [+] Initial beta release.