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117 lines
3.7 KiB
HTML
117 lines
3.7 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>返回符号连接指向的目标</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.readlink" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">readlink</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">readlink</span> — <span class="dc-title">返回符号连接指向的目标</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.readlink-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>readlink</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">string</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>readlink()</strong></span> 和同名的 C
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函数做同样的事，返回符号连接的内容。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.readlink-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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链接符号的路径。
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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 changelog" id="refsect1-function.readlink-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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此函数在 Windows 平台下可用（Vista、Server
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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 returnvalues" id="refsect1-function.readlink-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回链接的路径内容，出错则返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.readlink-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-2836">
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<p><strong>Example #1 <span class="function"><strong>readlink()</strong></span> 例</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: #FF8000">// output e.g. /boot/vmlinux-2.4.20-xfs<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">readlink</span><span style="color: #007700">(</span><span style="color: #DD0000">'/vmlinuz'</span><span style="color: #007700">);<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.readlink-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="is_link.html" class="function" rel="rdfs-seeAlso">is_link()</a> - 判断给定文件名是否为一个符号连接</span></li>
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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="linkinfo.html" class="function" rel="rdfs-seeAlso">linkinfo()</a> - 获取一个连接的信息</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> |