function.yp-first.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns the first key-value pair from the named map</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.yp-errno.html">yp_errno</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.yp-get-default-domain.html">yp_get_default_domain</a></div> <div class="up"><a href="ref.nis.html">YP/NIS Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.yp-first" class="refentry"> <div class="refnamediv"> <h1 class="refname">yp_first</h1> <p class="verinfo">(PHP 4, PHP 5 <= 5.0.5)</p><p class="refpurpose"><span class="refname">yp_first</span> — <span class="dc-title">Returns the first key-value pair from the named map</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>yp_first</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$domain</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$map</tt></span> )</div> <p class="para rdfs-comment"> Gets the first key-value pair from the named <i><tt class="parameter">map</tt></i> in the named <i><tt class="parameter">domain</tt></i>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">domain</tt></i></span> <dd> <p class="para"> The NIS domain name. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">map</tt></i></span> <dd> <p class="para"> The NIS map. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the first key-value pair as an array on success, or <b><tt>FALSE</tt></b> on errors. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Example for the NIS first</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$entry </span><span style="color: #007700">= </span><span style="color: #0000BB">yp_first</span><span style="color: #007700">(</span><span style="color: #0000BB">$domain</span><span style="color: #007700">, </span><span style="color: #DD0000">"passwd.byname"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$key </span><span style="color: #007700">= </span><span style="color: #0000BB">key</span><span style="color: #007700">(</span><span style="color: #0000BB">$entry</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$value </span><span style="color: #007700">= </span><span style="color: #0000BB">$entry</span><span style="color: #007700">[</span><span style="color: #0000BB">$key</span><span style="color: #007700">];<br /><br />echo </span><span style="color: #DD0000">"First entry in this map has key " </span><span style="color: #007700">. </span><span style="color: #0000BB">$key </span><span style="color: #007700">. </span><span style="color: #DD0000">" and value " </span><span style="color: #007700">. </span><span style="color: #0000BB">$value</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.yp-next.html" class="function" rel="rdfs-seeAlso">yp_next()</a></li> <li class="member"><a href="function.yp-get-default-domain.html" class="function" rel="rdfs-seeAlso">yp_get_default_domain()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.yp-errno.html">yp_errno</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.yp-get-default-domain.html">yp_get_default_domain</a></div> <div class="up"><a href="ref.nis.html">YP/NIS Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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