php man page for yaz_errno

YAZ_ERRNO(3)								 1							      YAZ_ERRNO(3)

yaz_errno - Returns error number

SYNOPSIS
       int yaz_errno (resource	$id)

DESCRIPTION
	Returns an error number for the server (last request) identified by $id.

       yaz_errno(3)  should  be called after network activity for each server - (after yaz_wait(3) returns) to determine the success or failure of
       the last operation (e.g. search).

PARAMETERS
	      o $id
		- The connection resource returned by yaz_connect(3).

RETURN VALUES
	Returns an error code. The error code is either a Z39.50 diagnostic code (usually a Bib-1 diagnostic) or a client side error code which is
       generated by PHP/YAZ itself, such as "Connect failed", "Init Rejected", etc.

SEE ALSO
       yaz_error(3), yaz_addinfo(3).

PHP Documentation Group 													      YAZ_ERRNO(3)