Author: Eloy Lafuente (stronk7)
MDL-66262 env: Moodle 3.6.x and 3.7.x do not support PHP 7.4
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8831cc14c72fc4153810f92299da308fbd99361e
http://github.com/moodle/moodle/commit/8831cc14c72fc4153810f92299da308fbd99361e
+ 3.5 en [unsupportedphpversion74,core_admin]