function.ftp-chdir.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 109 行
HTML
109 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Changes the current directory on a FTP server</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ftp-cdup.html">ftp_cdup</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ftp-chmod.html">ftp_chmod</a></div> <div class="up"><a href="ref.ftp.html">FTP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.ftp-chdir" class="refentry"> <div class="refnamediv"> <h1 class="refname">ftp_chdir</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">ftp_chdir</span> — <span class="dc-title">Changes the current directory on a FTP server</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>ftp_chdir</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$ftp_stream</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$directory</tt></span> )</div> <p class="para rdfs-comment"> Changes the current directory to the specified one. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">ftp_stream</tt></i></span> <dd> <p class="para"> The link identifier of the FTP connection. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">directory</tt></i></span> <dd> <p class="para"> The target directory. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. If changing directory fails, PHP will also throw a warning. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>ftp_chdir()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><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">// check connection<br /></span><span style="color: #007700">if ((!</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">) || (!</span><span style="color: #0000BB">$login_result</span><span style="color: #007700">)) {<br /> die(</span><span style="color: #DD0000">"FTP connection has failed !"</span><span style="color: #007700">);<br />}<br /><br />echo </span><span style="color: #DD0000">"Current directory: " </span><span style="color: #007700">. </span><span style="color: #0000BB">ftp_pwd</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// try to change the directory to somedir<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">ftp_chdir</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">, </span><span style="color: #DD0000">"somedir"</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"Current directory is now: " </span><span style="color: #007700">. </span><span style="color: #0000BB">ftp_pwd</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />} else { <br /> echo </span><span style="color: #DD0000">"Couldn't change directory\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// close the connection<br /></span><span style="color: #0000BB">ftp_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.ftp-cdup.html" class="function" rel="rdfs-seeAlso">ftp_cdup()</a></li> <li class="member"><a href="function.ftp-pwd.html" class="function" rel="rdfs-seeAlso">ftp_pwd()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ftp-cdup.html">ftp_cdup</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ftp-chmod.html">ftp_chmod</a></div> <div class="up"><a href="ref.ftp.html">FTP Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?