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81 lines
5.3 KiB
HTML
81 lines
5.3 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>切换到当前目录的父目录</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.ftp-cdup" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ftp_cdup</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">ftp_cdup</span> — <span class="dc-title">切换到当前目录的父目录</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ftp-cdup-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>ftp_cdup</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$ftp_stream</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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切换目录至当前目录的父目录 (上级目录)。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ftp-cdup-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">ftp_stream</code></dt>
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<dd>
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<p class="para">
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FTP 连接的标识符。
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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.ftp-cdup-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 examples" id="refsect1-function.ftp-cdup-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-5304">
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<p><strong>Example #1 <span class="function"><strong>ftp_cdup()</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 /></span><span style="color: #FF8000">// set up basic connection <br /></span><span style="color: #0000BB">$conn_id </span><span style="color: #007700">= </span><span style="color: #0000BB">ftp_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$ftp_server</span><span style="color: #007700">); <br /><br /></span><span style="color: #FF8000">// login with username and password <br /></span><span style="color: #0000BB">$login_result </span><span style="color: #007700">= </span><span style="color: #0000BB">ftp_login</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">, </span><span style="color: #0000BB">$ftp_user_name</span><span style="color: #007700">, </span><span style="color: #0000BB">$ftp_user_pass</span><span style="color: #007700">); <br /><br /></span><span style="color: #FF8000">// change the current directory to html <br /></span><span style="color: #0000BB">ftp_chdir</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">, </span><span style="color: #DD0000">'html'</span><span style="color: #007700">); <br /><br />echo </span><span style="color: #0000BB">ftp_pwd</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">); </span><span style="color: #FF8000">// /html <br /><br />// return to the parent directory <br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">ftp_cdup</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">)) { <br /> echo </span><span style="color: #DD0000">"cdup successful\n"</span><span style="color: #007700">; <br />} else { <br /> echo </span><span style="color: #DD0000">"cdup not successful\n"</span><span style="color: #007700">; <br />} <br /><br />echo </span><span style="color: #0000BB">ftp_pwd</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">); </span><span style="color: #FF8000">// / <br /><br /></span><span style="color: #0000BB">ftp_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</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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</div>
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<div class="refsect1 seealso" id="refsect1-function.ftp-cdup-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="ftp_chdir.html" class="function" rel="rdfs-seeAlso">ftp_chdir()</a> - 在 FTP 服务器上改变当前目录</span></li>
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<li class="member"><span class="function"><a href="ftp_pwd.html" class="function" rel="rdfs-seeAlso">ftp_pwd()</a> - 返回当前目录名</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> |