PHP $_SERVER 함수

$_SERVER['HTTP_ACCEPT_ENCODING'] = 인코딩 방식
ex)gzip, deflate

$_SERVER['HTTP_ACCEPT_LANGUAGE'] = 언어
ex)ko-KR,ko;q=0.9,en-US;q=0.8,en;q=0.7

$_SERVER['HTTP_USER_AGENT'] = 사이트 접속한 사용자 환경
ex)Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

$_SERVER['REMOTE_ADDR'] = 사이트 접속한 사용자 IP
ex)xxx.xxx.xxx.xxx

$_SERVER['SCRIPT_FILENAME'] = 실행되고 있는 위치와 파일명
ex)/page/www/index.php

$_SERVER['SERVER_NAME'] = 사이트 도메인
ex)naver.com

$_SERVER['SERVER_PORT'] = 사이트가 사용하는 포트
ex)80

$_SERVER['SERVER_SOFTWARE'] = 서버의 소프트웨어 환경
ex)Apache

$_SERVER['GATEWAY_INTERFACE'] = cGI 정보
ex)CGI/1.1

$_SERVER['SERVER_PROTOCOL'] = 사용된 서버 프로토콜
ex)HTTP/1.1

$_SERVER['REQUEST_URI'] = 현재페이지의 주소에서 도메인 제외
ex)/index.php?page=90

$_SERVER['PHP_SELF'] = 현재페이지의 주소에서 도메인과 넘겨지는 값 제외
ex)/index.php

$_SERVER['APPL_PHYSICAL_PATH'] = 현재페이지의 실제 파일 주소

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PHP문서

www.php.net/manual/en/langref.php

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