How can PHP be used to retrieve the IP address through which a user is accessing the internet?

To retrieve the IP address through which a user is accessing the internet using PHP, you can use the $_SERVER['REMOTE_ADDR'] variable. This variable contains the IP address of the user making the request to the server. By accessing this variable, you can retrieve the user's IP address. 

$user_ip = $_SERVER['REMOTE_ADDR'];
echo "User IP Address: " . $user_ip;

Keywords

PHP IP address user internet access retrieval

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