Author: Eloy Lafuente (stronk7)
MDL-68735 env: Moodle 3.8.x, 3.9.x and 3.10.x do not support PHP 8.0
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8ead95fabe287732fd1ce669a09dfdf08cf70099
http://github.com/moodle/moodle/commit/8ead95fabe287732fd1ce669a09dfdf08cf70099
+ 3.5 en [unsupportedphpversion80,core_admin]