Shimmy shimmy WTF functions polyfill
Copy the plugin to plugins/frdl/publicPages/zzzzzzzz_wtf wtf this MUST run as LAST publicPages Plugin!
In short:
I definitely do NOT like worpress code. This SHOULD be a reason we MUST shim it to the OIDplus core!
Inspired by
https://gist.github.com/wehowski/d16a4ce9cdeb5da1e90f9a7b28b6ffdb#file-plugin-php
The additional plugins Plugin (this one) is searching for pluginfiles in:
If IO4 is installed, it uses its invoker method, otherwise a simple call_user_func, however for plugins this final callable/closure is optional to use or not.