How install php 8.1?

Hi

My server runs the latest php version 8.0.12 (ubuntu 20.04)

How can I update to php 8.1 ?

Current Version 2.1

good question

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I don’t think most WordPress plugins are tested/support 8.1. I would wait full 8.1 support rather than try get sites work 1ms faster and risk having bugs with unsupported plugins.

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If you really want to try maybe try that tutorial just make backup first if something goes wrong. How to Install or Upgrade PHP 8.1 on Ubuntu 20.04 - Cloudbooklet

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8.1 is not compatible with most WordPress stuff.
So wait on 8.0

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