If we are talking about internet addresses encoded in QR codes (URL), Static QR codes are containing final destination where you will be redirected after scanning. Dynamic QR codes contain intermediate location that willl then redirect user to desired des

One of the first things you should do when you see WordPress Critical Error is to check your WordPress and the plugins you are using.

when I hit publish I get message at the top of the screen that says.

PHP is server-side scripting language that works with HTML, CSS, and JavaScript to create the framework of your WordPress site..