How to fake $_SERVER['REMOTE_ADDR'] variable?

It is generally not recommended to fake the $_SERVER['REMOTE_ADDR'] variable, as it can lead to security vulnerabilities and potential abuse of the system. However, if you must do it for testing or development purposes, you can set the variable directly in your script or use a proxy server to change the value of the variable before it reaches your script. It is important to note that this method is not a secure and can be easily bypassed.