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# yaz_es

(PECL)

yaz_es -- Prepares for an Extended Service Request

## Descrição

void yaz_es ( resource id, string type, array args )

This function prepares for an Extended Service Request. Extended Services is family of various Z39.50 facilities, such as Record Update, Item Order, Database administration etc.

> Nota: Many Z39.50 Servers do not support Extended Services.

The yaz_es() creates an Extended Service Request packages and puts it into a queue of operations. Use yaz_wait() to send the request(s) to the server. After completion of yaz_wait() the result of the Extended Service operation should be expected with a call to yaz_es_result().

## Parâmetros

`id`

  The connection resource returned by yaz_connect().

`type`

  A string which represents the type of the Extended Service: `itemorder` (Item Order), `create` (Create Database), `drop` (Drop Database), `commit` (Commit Operation), `update` (Update Record), `xmlupdate` (XML Update). Each type is specified in the following section.

`args`

  An array with extended service options plus package specific options. The options are identical to those offered in the C API of ZOOM C. Refer to the ZOOM Extended Services.

## Valores de retornado

Não há valor retornado.

## Exemplos

Exemplo 1. Record Update

`<?php $con = yaz_connect("myhost/database"); $args = array ( "record" => "<gils><title>some title</title></gils>", "syntax" => "xml", "action" => "specialUpdate" ); yaz_es($con, "update", $args); yaz_wait(); $result = yaz_es_result($id); ?>`

## Veja também

yaz_es_result()

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