mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-18 05:26:57 +08:00
91 lines
3.6 KiB
HTML
91 lines
3.6 KiB
HTML
<!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>返回主机名对应的 IPv4地址。</title>
|
|
</head>
|
|
<body class="docs"><div id="layout">
|
|
<div id="layout-content"><div id="function.gethostbyname" class="refentry">
|
|
<div class="refnamediv">
|
|
<h1 class="refname">gethostbyname</h1>
|
|
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gethostbyname</span> — <span class="dc-title">
|
|
返回主机名对应的 IPv4地址。
|
|
</span></p>
|
|
|
|
</div>
|
|
|
|
<div class="refsect1 description" id="refsect1-function.gethostbyname-description">
|
|
<h3 class="title">说明</h3>
|
|
<div class="methodsynopsis dc-description">
|
|
<span class="methodname"><strong>gethostbyname</strong></span>
|
|
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
|
|
) : <span class="type">string</span></div>
|
|
|
|
<p class="para rdfs-comment">
|
|
返回主机名 <code class="parameter">hostname</code> 对应的 IPv4 互联网地址。
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 parameters" id="refsect1-function.gethostbyname-parameters">
|
|
<h3 class="title">参数</h3>
|
|
<p class="para">
|
|
<dl>
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">hostname</code></dt>
|
|
|
|
<dd>
|
|
|
|
<p class="para">
|
|
主机名
|
|
</p>
|
|
</dd>
|
|
|
|
|
|
</dl>
|
|
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 returnvalues" id="refsect1-function.gethostbyname-returnvalues">
|
|
<h3 class="title">返回值</h3>
|
|
<p class="para">
|
|
成功时返回 IPv4 地址，失败时原封不动返回 <code class="parameter">hostname</code> 字符串。
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 examples" id="refsect1-function.gethostbyname-examples">
|
|
<h3 class="title">范例</h3>
|
|
<p class="para">
|
|
<div class="example" id="example-5485">
|
|
<p><strong>Example #1 简单的 <span class="function"><strong>gethostbyname()</strong></span> 例子</strong></p>
|
|
<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
|
|
<span style="color: #0000BB"><?php<br />$ip </span><span style="color: #007700">= </span><span style="color: #0000BB">gethostbyname</span><span style="color: #007700">(</span><span style="color: #DD0000">'www.example.com'</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$ip</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
|
|
</span>
|
|
</pre></div>
|
|
</div>
|
|
|
|
</div>
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 seealso" id="refsect1-function.gethostbyname-seealso">
|
|
<h3 class="title">参见</h3>
|
|
<p class="para">
|
|
<ul class="simplelist">
|
|
<li class="member"><span class="function"><a href="gethostbyaddr.html" class="function" rel="rdfs-seeAlso">gethostbyaddr()</a> - 获取指定的IP地址对应的主机名</span></li>
|
|
<li class="member"><span class="function"><a href="gethostbynamel.html" class="function" rel="rdfs-seeAlso">gethostbynamel()</a> - 获取互联网主机名对应的 IPv4 地址列表</span></li>
|
|
<li class="member"><span class="function"><a href="inet_pton.html" class="function" rel="rdfs-seeAlso">inet_pton()</a> - Converts a human readable IP address to its packed in_addr representation</span></li>
|
|
<li class="member"><span class="function"><a href="inet_ntop.html" class="function" rel="rdfs-seeAlso">inet_ntop()</a> - Converts a packed internet address to a human readable representation</span></li>
|
|
</ul>
|
|
</p>
|
|
</div>
|
|
|
|
|
|
</div></div></div></body></html> |