CXXI. YP/NIS Functions
介绍
NIS (formerly called Yellow Pages) allows network management of important administrative files (e.g. the password file). For more information refer to the NIS manpage and The Linux NIS(YP)/NYS/NIS+ HOWTO. There is also a book called Managing NFS and NIS by Hal Stern.
注: 该扩展模块不适用于 Windows 平台！
需求
None besides functions from standard Unix libraries which are always available (either libc or libnsl, configure will detect which one to use).
预定义常量
由于这些常量是由该扩展模块定义的，因此只有在该扩展模块被编译到 PHP 中，或者在运行时被动态加载后，这些常量才有效。
- YPERR_BADARGS (integer)
- YPERR_BADDB (integer)
- YPERR_BUSY (integer)
- YPERR_DOMAIN (integer)
- YPERR_KEY (integer)
- YPERR_MAP (integer)
- YPERR_NODOM (integer)
- YPERR_NOMORE (integer)
- YPERR_PMAP (integer)
- YPERR_RESRC (integer)
- YPERR_RPC (integer)
- YPERR_YPBIND (integer)
- YPERR_YPERR (integer)
- YPERR_YPSERV (integer)
- YPERR_VERS (integer)
- 目录
- yp_all -- Traverse the map and call a function on each entry
- yp_cat -- Return an array containing the entire map
- yp_err_string -- Returns the error string associated with the given error code
- yp_errno -- Returns the error code of the previous operation
- yp_first -- Returns the first key-value pair from the named map
- yp_get_default_domain -- Fetches the machine's default NIS domain
- yp_master -- Returns the machine name of the master NIS server for a map
- yp_match -- Returns the matched line
- yp_next -- Returns the next key-value pair in the named map.
- yp_order -- Returns the order number for a map