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122 lines
4.0 KiB
HTML
122 lines
4.0 KiB
HTML
<!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>获取一个连接的信息</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.linkinfo" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">linkinfo</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">linkinfo</span> — <span class="dc-title">获取一个连接的信息</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.linkinfo-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>linkinfo</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$path</code></span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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获取一个连接的信息。
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</p>
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<p class="para">
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本函数用来验证一个连接（由 <code class="parameter">path</code>
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所指向的）是否确实存在（使用 <var class="filename">stat.h</var> 中的 S_ISLNK
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宏同样的方法）。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.linkinfo-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">path</code></dt>
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<dd>
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<p class="para">
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连接的路径。
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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.linkinfo-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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<span class="function"><strong>linkinfo()</strong></span> 返回 <em>lstat</em>
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系统调用所返回的 UNIX C stat 结构中的 <em>st_dev</em>
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字段。 如果出错则返回 0 或 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.linkinfo-changelog">
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<h3 class="title">更新日志</h3>
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<p class="para">
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>版本</th>
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<th>说明</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>5.3.0</td>
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<td>
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Windows 平台上开始可用（Vista、Server 2008 或更高版本）。
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</td>
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</tr>
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</tbody>
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</table>
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.linkinfo-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-2822">
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<p><strong>Example #1 <span class="function"><strong>linkinfo()</strong></span> 例子</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">linkinfo</span><span style="color: #007700">(</span><span style="color: #DD0000">'/vmlinuz'</span><span style="color: #007700">); </span><span style="color: #FF8000">// 835<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.linkinfo-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="symlink.html" class="function" rel="rdfs-seeAlso">symlink()</a> - 建立符号连接</span></li>
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<li class="member"><span class="function"><a href="link.html" class="function" rel="rdfs-seeAlso">link()</a> - 建立一个硬连接</span></li>
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<li class="member"><span class="function"><a href="readlink.html" class="function" rel="rdfs-seeAlso">readlink()</a> - 返回符号连接指向的目标</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |