Servervariablen
| Servervariable | Wert |
| $AUTH_TYPE | |
| $CONTENT_LENGTH | |
| $CONTENT_TYPE | |
| $GATEWAY_INTERFACE | |
| $HTTP_ACCEPT | |
| $HTTP_COOKIE | |
| $HTTP_REFERER | |
| $HTTP_USER_AGENT | |
| $PATH_INFO | |
| $PATH_TRANSLATED | |
| $QUERY_STRING | |
| $REMOTE_ADDR | |
| $REMOTE_HOST | |
| $REMOTE_IDENT | |
| $REMOTE_USER | |
| $REQUEST_METHOD | |
| $SCRIPT_NAME | |
| $SERVER_NAME | |
| $SERVER_PORT | |
| $SERVER_PROTOCOL | |
| $SERVER_SOFTWARE |