Why we need php console ?

Question

Why we need php console ? ( interactive shell) why i need this? Who need to write php code get user data in console ? What time we need this ? Why cant use html page for this ?

Answer 1

Because if you're writing server side scripts and doing server admin with PHP you need a console to input stuff

Answer 2

So can we make a admin panel in html with js frameworks then we need php console ?