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PHP Modules

Here are some missing PHP modules on my WordPress install. 

apt install php-gd php-dom php-mbstring php-imagick php-zip

Reboot Apache after the install.

systemctl restart apache2

List Available PHP Modules

Here’s how to list the available PHP modules.

apt-cache search php- | less

To get details about a module.

apt-cache show php-curl

To install a module.

apt install php-curl

Or install all modules.

apt install php*

Restart Apache after each install.

systemctl restart apache2

Phpinfo Blank Page

Here’s how to fix when phpinfo is displaying a blank page. The install is missing this php module.

apt install php libapache2-mod-php

Restart after install.

service apache2 restart