- Plesk 12.5 for Linux
- Plesk 12.5 for Windows
PHP handlers were disabled in Tools & Settings > PHP Settings , but still are available for choosing under reseller in PHP Settings of a subscription.
Also, all handlers are available under reseller in Service Plans > default_service_plan .
This is Plesk internal issue with ID #PPPM-4447 , which is planned to be fixed in future Plesk updates
Currently, there is no any workaround.