How can i get the client IP address in PHP?

Question

How can I get the client IP address using PHP ?

i have to show how many members using my websie

I want to keep record of the user who logged into my website through his/her IP address 

Answer 1

You can use $_SERVER['REMOTE_ADDR'] to get the client IP address.

Answer 2

Try

echo $_SERVER['REMOTE_ADDR'];