If you’re not using any third-party software like Vesta CP or Hestia CP on your CentOS7 server, installing an SSL Certificate from Let’s Encrypt from scratch is also possible and easy.
PHP 7.4 is the minimum requirement to run the latest version of WordPress.
Default icons in Polylang are too small and blurry so it’s better to use a custom designed one with higher resolutions and wider dimensions.
Code snippet to help you add a taxonomy filter option in the posts page of your WordPress backend.