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PHP Manual

CXXVII. YP/NIS Functions


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.

Note: This extension is not available on Windows platforms.


None besides functions from standard Unix libraries which are always available (either libc or libnsl, configure will detect which one to use).


To get these functions to work, you have to configure PHP with --enable-yp.

Runtime Configuration

This extension has no configuration directives defined in php.ini.

Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.


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)

Table of Contents
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






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