WordPress Expert is someone who knows WordPress inside out and can help you with theme development, plugin development, bug fixes, etc and can deliver to your requirement using WordPress as a framework.
WordPress Expert knows about:
- WordPress core - what every core functions, hooks, and filter works. Can modify them as needed.
- Custom Theme and Plugin Development
- WordPress REST APIs
- Advanced Security around WordPress either on-going maintenance or writing secured codes
- Debugging and solving related issues
WordPress has evolved since its early days. A well planned and executed WordPress website can house millions of data, accommodate high traffic websites, is secured and functional.
As we all know WordPress is built around PHP and MYSQL. At the point of writing PHP 7 is the recommended version for WordPress. Using WordPress within PHP 7 is recommended for both security and speed.
Does that mean an expert PHP Developer is an expert WordPress Developer?
In a single word – it’s NO. Yes WordPress is built on PHP. WordPress has its own inbuilt system of functions, hooks, filters, and APIs that make it standout framework or cms. An expert PHP developer might know about PHP and other framework but it does take effort to learn WordPress and master it.