IP to Memory

Question

how to display user IP in PHP or othere scripting to be saved to memory every time user visits

Answer 1

In theory:
http://stackoverflow.com/questions/7490488/array-to-string-php

Unfortunaly, in code playground it seems to be unusable :(
So, you must try with a "real" php server instalation ( I think SoloLearn provide one kind of emulator or modified version -- probably for security reasons )