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199 lines
7.5 KiB
HTML
199 lines
7.5 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>新建目录</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.mkdir" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">mkdir</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">mkdir</span> — <span class="dc-title">新建目录</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.mkdir-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>mkdir</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$pathname</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code><span class="initializer"> = 0777</span></span>
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[, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$recursive</code><span class="initializer"> = false</span></span>
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[, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$context</code></span>
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]]] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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尝试新建一个由 pathname 指定的目录。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.mkdir-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">pathname</code></dt>
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<dd>
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<p class="para">
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目录的路径。
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</p>
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</dd>
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<dt>
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<code class="parameter">mode</code></dt>
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<dd>
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<p class="para">
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默认的 mode 是 0777，意味着最大可能的访问权。有关 mode 的更多信息请阅读
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<span class="function"><a href="chmod.html" class="function">chmod()</a></span> 页面。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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<code class="parameter">mode</code> 在 Windows 下被忽略。
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</p>
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</p></blockquote>
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<p class="para">
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注意也许想用八进制数指定模式，也就是说该数应以零打头。模式也会被当前的 umask 修改，可以用 <span class="function"><a href="umask.html" class="function">umask()</a></span> 来改变。
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</p>
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</dd>
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<dt>
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<code class="parameter">recursive</code></dt>
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<dd>
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<p class="para">
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允许递归创建由
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<code class="parameter">pathname</code> 所指定的多级嵌套目录。
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</p>
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</dd>
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<dt>
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<code class="parameter">context</code></dt>
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<dd>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">在 PHP 5.0.0
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中增加了对上下文（Context）的支持。有关<em>上下文（Context）</em>的说明参见
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<a href="book.stream.html" class="xref">Streams</a>。</span></p></blockquote>
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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.mkdir-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <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.mkdir-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>5.0.0</td>
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<td>
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添加 <code class="parameter">recursive</code> 参数。
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</td>
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</tr>
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<tr>
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<td>5.0.0</td>
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<td>
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<span class="function"><strong>mkdir()</strong></span> 也可用于<em class="emphasis">某些</em>
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URL 封装协议。参见<a href="wrappers.html" class="xref">支持的协议和封装协议</a>
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的列表看看 <span class="function"><strong>mkdir()</strong></span> 支持哪些 URL 封装协议。
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</td>
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</tr>
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<tr>
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<td>4.2.0</td>
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<td>
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<code class="parameter">mode</code> 成为可选项。
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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.mkdir-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-2824">
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<p><strong>Example #1 <span class="function"><strong>mkdir()</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 />mkdir</span><span style="color: #007700">(</span><span style="color: #DD0000">"/path/to/my/dir"</span><span style="color: #007700">, </span><span style="color: #0000BB">0700</span><span style="color: #007700">);<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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<p class="para">
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<div class="example" id="example-2825">
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<p><strong>Example #2 通过 <code class="parameter">recursive</code> 参数使用 <span class="function"><strong>mkdir()</strong></span></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 /></span><span style="color: #FF8000">// Desired folder structure<br /></span><span style="color: #0000BB">$structure </span><span style="color: #007700">= </span><span style="color: #DD0000">'./depth1/depth2/depth3/'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// To create the nested structure, the $recursive parameter <br />// to mkdir() must be specified.<br /><br /></span><span style="color: #007700">if (!</span><span style="color: #0000BB">mkdir</span><span style="color: #007700">(</span><span style="color: #0000BB">$structure</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">)) {<br /> die(</span><span style="color: #DD0000">'Failed to create folders...'</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">// ...<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 notes" id="refsect1-function.mkdir-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">当启用
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<a href="features.safe_mode.html" class="link">安全模式</a>时，
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PHP 会在执行脚本时检查被脚本操作的目录是否与被执行的脚本有相同的 UID（所有者）。</span></p></blockquote>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.mkdir-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_dir.html" class="function" rel="rdfs-seeAlso">is_dir()</a> - 判断给定文件名是否是一个目录</span></li>
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<li class="member"><span class="function"><a href="rmdir.html" class="function" rel="rdfs-seeAlso">rmdir()</a> - 删除目录</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> |