What are the best practices for troubleshooting PHP module loading errors in Apache, especially when multiple forums are involved in seeking solutions?

When troubleshooting PHP module loading errors in Apache, it is important to check the Apache error logs for specific error messages related to the module loading issue. Additionally, ensure that the necessary PHP modules are installed and enabled in the Apache configuration file. Finally, consider checking the PHP configuration file for any misconfigurations that may be causing the problem.

// Example PHP code snippet to check if a specific module is loaded
if (!extension_loaded('module_name')) {
    echo 'The module is not loaded!';
} else {
    echo 'The module is loaded successfully!';
}