The PHP $_SERVER array

KEYVALUE
CONTEXT_DOCUMENT_ROOT/home/sultans/web
CONTEXT_PREFIX/~sultans
DOCUMENT_ROOT/var/www/html
FCGI_ROLERESPONDER
GATEWAY_INTERFACECGI/1.1
HOME/usr/share/httpd
HTTP_ACCEPT*/*
HTTP_ACCEPT_ENCODINGgzip, br, zstd, deflate
HTTP_CACHE_CONTROLmax-age=259200
HTTP_CONNECTIONkeep-alive
HTTP_HOSTworkshop.sps.nyu.edu
HTTP_USER_AGENTMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_VIA1.1 squid-proxy-5b5d847c96-gnzl5 (squid/6.10)
HTTP_X_FORWARDED_FOR10.1.159.8
INVOCATION_IDf8f7f89d728b4e6b8daaf1eb7002cbc7
JOURNAL_STREAM9:71316
LANGen_US.UTF-8
LD_LIBRARY_PATH/u01/app/oracle/product/19.0.0/lib:/lib:/usr/lib
NOTIFY_SOCKET/run/systemd/notify
ORACLE_BASE/u01/app/oracle
ORACLE_HOME/u01/app/oracle/product/19.0.0/
ORACLE_HOSTNAMEworkshop.sps.nyu.edu
ORACLE_SIDorcl
ORACLE_UNQNAMEapp12c
PATH/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
PHP_SELF/~sultans/ws/demo/1http-lk/server.php
QUERY_STRING
REMOTE_ADDR216.73.216.211
REMOTE_PORT42814
REQUEST_METHODGET
REQUEST_SCHEMEhttp
REQUEST_TIME1750314782
REQUEST_TIME_FLOAT1750314782.0997
REQUEST_URI/~sultans/ws/demo/1http-lk/server.php
RUNTIME_DIRECTORY/run/php-fpm
SCRIPT_FILENAME/home/sultans/web/ws/demo/1http-lk/server.php
SCRIPT_NAME/~sultans/ws/demo/1http-lk/server.php
SERVER_ADDR10.134.9.90
SERVER_ADMINroot@localhost
SERVER_NAMEworkshop.sps.nyu.edu
SERVER_PORT80
SERVER_PROTOCOLHTTP/1.1
SERVER_SIGNATURE
SERVER_SOFTWAREApache
UNIQUE_IDaFOvHo3Aihc6u8S-BttOqgAAAAg
USERapache
proxy-nokeepalive1