Use the reflection method

Forgot to lowercase the result

Update AbstractAction.php

PHP 8 makes this method faster that the previous SubstringStrChr method mentioned in https://stackoverflow.com/a/27457689

code style: line breaks

coding style: control flow whitespaces

codestyle adjustments: function declaration braces/spaces

codestyle adjustments: class declaration braces

import classes, replace dbglog, simplify, remove unused statements, and other warnings from IntelliJ

update phpdocs,
rename dokuwiki/Ui/Draft to PageDraft

renamed ActionRouter::checkPermissions to checkPreconditions

As discussed in #1933

fixed small typo

no longer rely on actionOk when checking if actions are disabled

loadAction() and checkAction() are now public and could be used within
actionOK(). However some weird circular references prevent tha

no longer rely on actionOk when checking if actions are disabled

loadAction() and checkAction() are now public and could be used within
actionOK(). However some weird circular references prevent that. In
addition, actionOK is also used to check for things that aren't Actions
(yet) like 'rss' and 'top'.

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explicitly declare method visibility

allow actions to be initialized without an action name

also fixes the tests

fixed export action by supporting underscores in actions

Now underscores can be used to have sub actions. The loader will try to
find an exact match first, then begin removing parts from the end unt

fixed export action by supporting underscores in actions

Now underscores can be used to have sub actions. The loader will try to
find an exact match first, then begin removing parts from the end until
a matching action is found.

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more doc block fixes

all actions should have a class now

Lots of FIXMEs and the routing isn't integrated, yet

start of a refactoring the action routing

This is neither complete nor working, yet