- Plesk Onyx for Linux
mhash extension is not available in Plesk PHP versions. How to add it?
It is possible only compiling a custom PHP version.
Additional information can be found in
Since mhash is not included in Plesk PHP versions, please take part in our product improvement by referring to the following link: https://plesk.uservoice.com/forums/184549-feature-suggestions
The top-ranked suggestions are likely to be included in the next versions of Plesk.