Show your user's their IP address:
Retrieving the user's IP address is actually much simpler than you might think, and can be done in a single line. Getenv("REMOTE_ADDR") will return the IP address of the person visiting your site. Generally this is accurate, however if the user is running through a proxie server, then it will return the address of the proxie.In this example, we retrieve the user's IP and then simply echo it's value back to the user.
<?php
//Gets the IP address
$ip = getenv("REMOTE_ADDR") ;
Echo "Your IP is " . $ip;
?>
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