array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'function.yaz-wait.php', 1 => 'yaz_wait', 2 => 'Wait for Z39.50 requests to complete', ), 'up' => array ( 0 => 'ref.yaz.php', 1 => 'YAZ 函数', ), 'prev' => array ( 0 => 'function.yaz-syntax.php', 1 => 'yaz_syntax', ), 'next' => array ( 0 => 'book.zmq.php', 1 => '0MQ 消息', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/yaz/functions/yaz-wait.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

yaz_wait

(PHP 4 >= 4.0.1, PECL yaz >= 0.9.0)

yaz_wait — Wait for Z39.50 requests to complete

说明

yaz_wait(array &$options = ?): mixed

This function carries out networked (blocked) activity for outstanding requests which have been prepared by the functions yaz_connect(), yaz_search(), yaz_present(), yaz_scan() and yaz_itemorder().

yaz_wait() returns when all servers have either completed all requests or aborted (in case of errors).

参数

options

An associative array of options:

timeout

Sets timeout in seconds. If a server has not responded within the timeout it is considered dead and yaz_wait() returns. The default value for timeout is 15 seconds.

event

A boolean.

返回值

成功时返回 true， 或者在失败时返回 false。 In event mode, returns resource 或者在失败时返回 false.