What are best practices for configuring the extension directory in the php.ini file for PHP modules like curl?

When configuring PHP modules like curl, it is important to specify the correct extension directory in the php.ini file to ensure that the modules are properly loaded and accessible by your PHP scripts. This involves setting the extension_dir directive in the php.ini file to point to the directory where the PHP extensions are installed.

extension_dir = "path/to/php/extensions"