The objective of this script is to set the value of the IP variable to noreply@miс***ite[.]com.
Developers do not limit themselves to hiding additional emails. There are scripts that open web shells on hosting resources unknown to the buyer of the kit. A web shell is a malicious script (program) that allows scammers to control websites and servers by executing terminal commands, brute-forcing passwords, accessing the file system, and more. Most often, scammers exploit vulnerabilities in the website code or use brute-force to deliver the script.
In the example below, the web shell is part of the robots.php script.
A web shell embedded in a phishing kit: