How to get client IP in PHP

In PHP, you can use the "$_SERVER" method to obtain the client IP. The complete syntax is "$_SERVER['REMOTE_ADDR']". By executing this method, you can browse the IP address of the user on the current page.

PHP gets client IP

##Client IP: $_SERVER['REMOTE_ADDR']

$_SERVER['REMOTE_ADDR'] The IP address of the user browsing the current page.

$_SERVER['REMOTE_HOST'] The host name of the user browsing the current page. DNS reverse resolution does not depend on the user's REMOTE_ADDR.

$_SERVER['REMOTE_PORT'] The port number used on the user's machine to connect to the web server.

Please check the relevant manual content of super global variables for details:

https://www.php.cn/php/php-superglobals.html

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