PHP_FPM extensions not loading in Apache

Question

I'm building out a web server on Rocky Linux 9 with Apache and PHP 8.3. I need the pdo_dblib extension. From the command line via "php -m" and "php-fpm -m", I see that the pdo_dblib extension exists in both. However, when I dump phpinfo() in a browser, the pdo_dblib extension is not loaded.

Phpinfo shows that it's running PHP-FPM. I've noted the loaded configuration file at /etc/opt/remi/php83/php.ini, and the extensions directory at /etc/opt/remi/php83/php.d.

Here were my troubleshooting steps:

1. Checked the /etc/opt/remi/php83/php.d for the pdo_dblib extension. It wasn't there, so I added it.
2. Ran sudo systemctl restart php-fpm
3. Ran sudo systemctl restart httpd
4. Refreshed the web page with phpinfo(). Still not loaded.

Any ideas on why this is happening, and how to fix it?

Answer 1

Looks like you are confused with the various PHP stacks available

• php-* (default versions)
• php83-php-* (SCL, design for parallel installation)

Check the repository FAQ

For proper repository configuration and usage, following the Wizard instructions is recommended.

If you want a single version, I recommend to remove all php83 package and update the default version to 8.3.

dnf module switch-to php:remi-8.3/common dnf install php-pdo_dblib 

If you need multiple versions, and then using php83-* packages, you have to install the proper package (as explained by the wizard)

dnf install php83-php-pdo_dblib 

And to check if it is there

php83 --modules