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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Wait for Z39.50 requests to complete</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.yaz-wait" class="refentry">
<div class="refnamediv">
<h1 class="refname">yaz_wait</h1>
<p class="verinfo">(PHP 4 &gt;= 4.0.1, PECL yaz &gt;= 0.9.0)</p><p class="refpurpose"><span class="refname">yaz_wait</span> &mdash; <span class="dc-title">Wait for Z39.50 requests to complete</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.yaz-wait-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>yaz_wait</strong></span>
([ <span class="methodparam"><span class="type">array</span> <code class="parameter reference">&$options</code></span>
] ) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>
<p class="para rdfs-comment">
This function carries out networked (blocked) activity for outstanding
requests which have been prepared by the functions
<span class="function"><a href="yaz_connect.html" class="function">yaz_connect()</a></span>, <span class="function"><a href="yaz_search.html" class="function">yaz_search()</a></span>,
<span class="function"><a href="yaz_present.html" class="function">yaz_present()</a></span>, <span class="function"><a href="yaz_scan.html" class="function">yaz_scan()</a></span> and
<span class="function"><a href="yaz_itemorder.html" class="function">yaz_itemorder()</a></span>.
</p>
<p class="para">
<span class="function"><strong>yaz_wait()</strong></span> returns when all servers have either
completed all requests or aborted (in case of errors).
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.yaz-wait-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">options</code></dt>
<dd>
<p class="para">
An associative array of options:
<dl>
<dt>
<em>timeout</em></dt>
<dd>
<p class="para">
Sets timeout in seconds. If a server has not responded within the
timeout it is considered dead and <span class="function"><strong>yaz_wait()</strong></span>
returns. The default value for timeout is 15 seconds.
</p>
</dd>
<dt>
<em>event</em></dt>
<dd>
<p class="para">
A boolean.
</p>
</dd>
</dl>
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.yaz-wait-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
成功时返回 <strong><code>TRUE</code></strong> 或者在失败时返回 <strong><code>FALSE</code></strong>
In event mode, returns resource 或者在失败时返回 <strong><code>FALSE</code></strong>.
</p>
</div>
</div></div></div></body></html>