Tutorial for $_SERVER in Super Global Variables - scmGalaxy
Fix for some variables($_SERVER['HTTPS'], $_SERVER['SERVER_PORT'], $_SERVER['REQUEST_URI']) for Wordpress based site, which prevents 'Too many redirects' error. · Issue #545 · nginx/unit · GitHub
10 Essential $_SERVER variables PHP developer must know - Egochi
Solved If the REMOTE_ADDR field in the \$_SERVER variable is | Chegg.com