What is the significance of using $_SERVER['SERVER_ADDR'] in PHP to obtain the server's IP address?

Using $_SERVER['SERVER_ADDR'] in PHP allows you to obtain the server's IP address dynamically, which can be useful for various purposes such as logging, debugging, or network-related tasks. This method ensures that you always have the most up-to-date IP address of the server without hardcoding it in your code.

$server_ip = $_SERVER['SERVER_ADDR'];
echo "Server IP Address: " . $server_ip;