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yaz_connect (PHP 4 >= 4.0.1, PECL) yaz_connect --
Prepares for a connection to a Z39.50 server
Descriptionmixed yaz_connect ( string zurl [, mixed options] )
This function returns a connection resource on success, zero on
failure.
yaz_connect() prepares for a connection to a
Z39.50 server.
This function is non-blocking and does not attempt to establish
a connection - it merely prepares a connect to be performed later when
yaz_wait() is called.
Note:
The YAZ proxy is a
freely available Z39.50 proxy.
Parameters
- zurl
A string that takes the form host[:port][/database].
If port is omitted, port 210 is used. If database is omitted
Default is used.
- options
If given as a string, it is treated as the Z39.50 V2 authentication
string (OpenAuth).
If given as an array, the contents of the array serves as options.
- user
Username for authentication.
- group
Group for authentication.
- password
Password for authentication.
- cookie
Cookie for session (YAZ proxy).
- proxy
Proxy for connection (YAZ proxy).
- persistent
A boolean. If TRUE the connection is persistent; If FALSE the
connection is not persistent. By default connections are persistent.
Note:
If you open a persistent connection, you won't be able to close
it later with yaz_close().
- piggyback
A boolean. If TRUE piggyback is enabled for searches; If FALSE
piggyback is disabled. By default piggyback is enabled.
Enabling piggyback is more efficient and usually saves a
network-round-trip for first time fetches of records. However, a
few Z39.50 servers do not support piggyback or they ignore element
set names. For those, piggyback should be disabled.
- charset
A string that specifies character set to be used in Z39.50
language and character set negotiation. Use strings such as:
ISO-8859-1, UTF-8,
UTF-16.
Most Z39.50 servers do not support this feature (and thus, this is
ignored). Many servers use the ISO-8859-1 encoding for queries and
messages. MARC21/USMARC records are not affected by this setting.
Return Values
A connection resource on success, FALSE on error.
Copyright © 1997 - 2007 by the PHP Documentation Group. This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later. A copy of the Open Publication License is distributed with this manual, the latest version is presently available at http://www.opencontent.org/openpub/.
Please see full copyright text at http://www.php.net/manual/en/copyright.php
Original version of the above documentation is available at http://www.php.net/manual/en/
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