uTools-Manuals/docs/php/yp_first.html
2019-04-28 19:00:34 +08:00

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<title>Returns the first key-value pair from the named map</title>
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<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.yp-first" class="refentry">
<div class="refnamediv">
<h1 class="refname">yp_first</h1>
<p class="verinfo">(PHP 4, PHP 5 &lt; 5.1.0)</p><p class="refpurpose"><span class="refname">yp_first</span> &mdash; <span class="dc-title">Returns the first key-value pair from the named map</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.yp-first-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>yp_first</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$domain</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$map</code></span>
) : <span class="type">array</span></div>
<p class="para rdfs-comment">
Gets the first key-value pair from the named <code class="parameter">map</code>
in the named <code class="parameter">domain</code>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.yp-first-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">domain</code></dt>
<dd>
<p class="para">
The NIS domain name.
</p>
</dd>
<dt>
<code class="parameter">map</code></dt>
<dd>
<p class="para">
The NIS map.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.yp-first-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Returns the first key-value pair as an array on success, or <strong><code>FALSE</code></strong> on
errors.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.yp-first-examples">
<h3 class="title">范例</h3>
<p class="para">
<div class="example" id="example-5693">
<p><strong>Example #1 Example for the NIS first</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$entry&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">yp_first</span><span style="color: #007700">(</span><span style="color: #0000BB">$domain</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"passwd.byname"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$key&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">key</span><span style="color: #007700">(</span><span style="color: #0000BB">$entry</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$value&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$entry</span><span style="color: #007700">[</span><span style="color: #0000BB">$key</span><span style="color: #007700">];<br /><br />echo&nbsp;</span><span style="color: #DD0000">"First&nbsp;entry&nbsp;in&nbsp;this&nbsp;map&nbsp;has&nbsp;key&nbsp;"&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$key&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">"&nbsp;and&nbsp;value&nbsp;"&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$value</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.yp-first-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="yp_next.html" class="function" rel="rdfs-seeAlso">yp_next()</a> - Returns the next key-value pair in the named map</span></li>
<li class="member"><span class="function"><a href="yp_get_default_domain.html" class="function" rel="rdfs-seeAlso">yp_get_default_domain()</a> - Fetches the machine's default NIS domain</span></li>
</ul>
</p>
</div>
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