Sorry wasn't sure who else to contact. This GitHub page tells you to check out the Bitcoin Wiki at https://en.bitcoin.it/
I was reading through JSON-RPC API reference and there's the PHP section, which links to a "JSON-RPC PHP" library, but the link then redirects to a completely different and malicious website (Blocked by Malwarebytes):
https://en.bitcoin.it/wiki/API\_reference\_(JSON-RPC)#PHP
I'm just a messenger, the person who found it just posted the text above at Reddit https://www.reddit.com/r/Bitcoin/comments/qlc98c/who_should_i_contact_if_the_bitcoin_core_docs/