■
http://hoohoo.ncsa.uiuc.edu/cgi/env.html
必ず。
The following environment variables are specific to the request being fulfilled by the gateway program:
- SERVER_PROTOCOL
- "information protcol"Format: protocol/revision*1
- SERVER_PORT
- port number
- REQUEST_METHOD
- GETとかHEADとかPOSTとか。
- PATH_INFO
- ヴァーチャルで、
- PATH_TRANSLATED
- 実際の、らしい。
- SCRIPT_NAME
- virtual path
- QUERY_STRING
- 最初の'?'
*1:HTTP/1.0 とかだっけ?