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