https://github.com/auraphp/Aura.Session#defending-against-csrf
https://github.com/slimphp/Slim-Csrf#manual-usage
https://github.com/odan/csrf
https://github.com/volnix/csrf
https://libraries.io/search?keywords=csrf&languages=PHP
https://github.com/paragonie/anti-csrf
https://github.com/GramThanos/php-csrf
https://github.com/gilbitron/EasyCSRF
https://laravel.com/docs/7.x/csrf
https://github.com/mezzio/mezzio-csrf
Видео:
https://www.youtube.com/watch?v=8MksjpfDvRw