What are the recommended steps for a PHP beginner to troubleshoot and fix errors related to PHP version upgrades in Joomla?

Issue: When upgrading the PHP version on a Joomla website, some PHP functions or syntax may become deprecated or incompatible, causing errors on the site. To troubleshoot and fix these errors, the recommended steps for a PHP beginner include checking for deprecated functions, updating Joomla and its extensions to the latest versions, and reviewing error logs for specific error messages. Code snippet:

// Check for deprecated functions or syntax in your PHP code
// Update Joomla and its extensions to the latest versions
// Review error logs for specific error messages