環境変数一覧（PHP）
| 環境変数名 | 値 |
| HTTP_HOST | fei-yen.jp |
| HTTP_X_REQUEST_ID | 3a2f0d7c95c45439efc1fff6f0a9d109 |
| HTTP_X_REAL_IP | 10.9.68.35 |
| HTTP_X_FORWARDED_FOR | 10.9.68.35, 216.73.216.139 |
| HTTP_X_FORWARDED_HOST | fei-yen.jp |
| HTTP_X_FORWARDED_PORT | 80 |
| HTTP_X_FORWARDED_PROTO | http |
| HTTP_X_FORWARDED_SCHEME | http |
| HTTP_X_SCHEME | http |
| HTTP_X_ORIGINAL_FORWARDED_FOR | 10.9.68.35 |
| HTTP_ACCEPT | */* |
| HTTP_USER_AGENT | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) |
| HTTP_ACCEPT_ENCODING | gzip, br, zstd, deflate |
| HTTP_VIA | 1.1 squid-proxy-5b5d847c96-9cmwv (squid/6.10) |
| HTTP_CACHE_CONTROL | max-age=259200 |
| PATH | /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin |
| SERVER_SIGNATURE | Apache/2.4.54 (Debian) Server at fei-yen.jp Port 80 |
| SERVER_SOFTWARE | Apache/2.4.54 (Debian) |
| SERVER_NAME | fei-yen.jp |
| SERVER_ADDR | 10.244.54.0 |
| SERVER_PORT | 80 |
| REMOTE_ADDR | 10.244.53.206 |
| DOCUMENT_ROOT | /www |
| REQUEST_SCHEME | http |
| CONTEXT_PREFIX | |
| CONTEXT_DOCUMENT_ROOT | /www |
| SERVER_ADMIN | webmaster@localhost |
| SCRIPT_FILENAME | /www/maya/toy-box/env.php |
| REMOTE_PORT | 32884 |
| GATEWAY_INTERFACE | CGI/1.1 |
| SERVER_PROTOCOL | HTTP/1.1 |
| REQUEST_METHOD | GET |
| QUERY_STRING | |
| REQUEST_URI | /maya/toy-box/env.php |
| SCRIPT_NAME | /maya/toy-box/env.php |
| PHP_SELF | /maya/toy-box/env.php |
| REQUEST_TIME_FLOAT | 1775193628.03 |
| REQUEST_TIME | 1775193628 |
| argv | Array |
| argc | 0 |
| $_REQUEST | Array ( ) |