PHP extensions of your hosting can be managed at any time.
To begin, we must select the PHP version for our domain. To do this, go to cPanel → Software → MultiPHP Manager
Then select the domain and the desired version of PHP
Now we can install the necessary PHP extensions.
To do this, just go to cPanel → section: Software → Select PHP version:
On the page that opens, select the "Extensions" tab:
There you will see a list of extensions that can be enabled or disabled depending on your needs. Just click on the checkmark to enable or disable the ones you need:
All extensions are sorted alphabetically, so they are really easy to find.
NOTES:
Depending on which PHP version you choose, some extensions may not be visible and you may need to change your PHP version to see them.
Also here you can change the PHP settings for your hosting