What steps should be taken to ensure that PHP modules like mysql.dll and mysqli.dll are properly installed and loaded?

To ensure that PHP modules like mysql.dll and mysqli.dll are properly installed and loaded, you should check the PHP configuration file (php.ini) to make sure the extensions are enabled. Additionally, you should verify that the DLL files are located in the correct directory specified in the php.ini file. Finally, restart the web server after making any changes to the configuration.

// Check php.ini file for extension settings
// Make sure the DLL files are in the correct directory
// Restart the web server after making changes