Learn how to troubleshoot Apache 2 when it's not executing PHP files with this easy-to-follow, step-by-step tutorial.

If you have a host like Knownhost who is fast and knows what needs to be done, you do not have to worry much. Note: I am now worrying on which PHP script required an increase in memory allocation.

If you're building NGINX sites, you'll probably need PHP-FPM support enabled. Jack Wallen shows you how.