I have three domains on the same server (CentOS 7.5.1804), all running WordPress 4.9.8, all running the same version of PHP (7.2.10) and using the same php.ini file (literally, not the same php.ini file copied to each directory, the exact same single file).
The problem is that on only one domain, WordPress thinks that I don't have
php-mysql installed, yet the other two sites work without issue.
I get the following on the non-working domain:
Your PHP installation appears to be missing the MySQL extension which is required by WordPress.
Despite the fact that the same
php.ini file is being used, on the non-working site, the
phpinfo() report is missing the