Required PHP Modules

Install missing PHP Module using bash

For certain function to work, you need relevant PHP modules.

For example, E-mails will not go in HTML format unless the necessary PHP modules are installer. Install below modules to fix HTML emails.

sudo apt install php8.1-mbstring
sudo apt install php8.1-soap
sudo apt install php8.1-xml

Recommended PHP Modules

A required list of PHP modules for WordPress is available here.

WP Site Health to find Missing Modules

You can also check for unavailable / missing / inactive modules via WordPress site health by going to backend and navigating to

Tools > Site Health

Result will show in case there are any missing modules.