📄 function.ftp-mdtm.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns the last modified time of the given file</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-login.html">ftp_login</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ftp-mkdir.html">ftp_mkdir</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-mdtm" class="refentry"> <div class="refnamediv"> <h1 class="refname">ftp_mdtm</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">ftp_mdtm</span> — <span class="dc-title">Returns the last modified time of the given file</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>ftp_mdtm</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$ftp_stream</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$remote_file</tt></span> )</div> <p class="para rdfs-comment"> <b>ftp_mdtm()</b> gets the last modified time for a remote file. </p> <blockquote><p><b class="note">Note</b>: Not all servers support this feature! <br /> </p></blockquote> <blockquote><p><b class="note">Note</b>: <b>ftp_mdtm()</b> does not work with directories. <br /> </p></blockquote> </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">remote_file</tt></i></span> <dd> <p class="para"> The file from which to extract the last modification time. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the last modified time as a Unix timestamp on success, or -1 on error. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>ftp_mdtm()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$file </span><span style="color: #007700">= </span><span style="color: #DD0000">'somefile.txt'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// set up basic connection<br /></span><span style="color: #0000BB">$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">$ftp_user_pass</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// get the last modified time<br /></span><span style="color: #0000BB">$buff </span><span style="color: #007700">= </span><span style="color: #0000BB">ftp_mdtm</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">, </span><span style="color: #0000BB">$file</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$buff </span><span style="color: #007700">!= -</span><span style="color: #0000BB">1</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// somefile.txt was last modified on: March 26 2003 14:16:41.<br /> </span><span style="color: #007700">echo </span><span style="color: #DD0000">"$file was last modified on : " </span><span style="color: #007700">. </span><span style="color: #0000BB">date</span><span style="color: #007700">(</span><span style="color: #DD0000">"F d Y H:i:s."</span><span style="color: #007700">, </span><span style="color: #0000BB">$buff</span><span style="color: #007700">);<br />} else {<br /> echo </span><span style="color: #DD0000">"Couldn't get mdtime"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// close the connection<br /></span><span style="color: #0000BB">ftp_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ftp-login.html">ftp_login</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ftp-mkdir.html">ftp_mkdir</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
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -