Plesk WP Toolkit is showing warning about incompatible/outdated PHP version on a CloudLinux with PHP Selector

Symptoms

• WP-Toolkit shows warning about unused outdated PHP version in WordPress > example.com > Dashboard menu
• Errors about outdated/incompatible PHP version trigger during attempts to update/clone/install or remove plugins on WordPress instance.
• PHP selector for CloudLinux is enabled for the domain
• CloudLinux 8.x or 7.x is used on the server
• LSAPI is used on the server (PHP handler for domain is "LSPHP by OS vendor")

Cause

WP Toolkit isn't fully compatible with CloudLinux PHP Selector yet, and detects/uses OS-native PHP version, which is not outdated or incompatible with WordPress installation.

This behavior is marked as EXTWPTOOLK-10883, and planned to be fixed in future releases of WP Toolkit.

Resolution