Sophie: php-manual-zh-5.2.4-1mdv2008.1 noarch

php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>ftp_mdtm</H1
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>    (PHP 3 &#62;= 3.0.13, PHP 4, PHP 5)</P
>ftp_mdtm&nbsp;--&nbsp;返回指定文件的最后修改时间</DIV
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><H2
>说明</H2
>int <B
CLASS="methodname"
>ftp_mdtm</B
> ( resource ftp_stream, string remote_file )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>ftp_mdtm()</B
> 检查指定文件的最后修改时间，并以 UNIX
     时间戳的方式返回。如果发生错误，或文件不存在则返回 -1。
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>例 1. <B
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>ftp_mdtm()</B
> 例子</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$file </font><font color="#007700">= </font><font color="#DD0000">'somefile.txt'</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// connect to the server<br /></font><font color="#0000BB">$conn_id </font><font color="#007700">= </font><font color="#0000BB">ftp_connect</font><font color="#007700">(</font><font color="#0000BB">$ftp_server</font><font color="#007700">);<br /></font><font color="#0000BB">$login_result </font><font color="#007700">= </font><font color="#0000BB">ftp_login</font><font color="#007700">(</font><font color="#0000BB">$conn_id</font><font color="#007700">, </font><font color="#0000BB">$ftp_user_name</font><font color="#007700">, </font><font color="#0000BB">$ftp_user_pass</font><font color="#007700">);<br /><br /></font><font color="#FF8000">//&nbsp;&nbsp;get the last modified time<br /></font><font color="#0000BB">$buff </font><font color="#007700">= </font><font color="#0000BB">ftp_mdtm</font><font color="#007700">(</font><font color="#0000BB">$conn_id</font><font color="#007700">, </font><font color="#0000BB">$file</font><font color="#007700">);<br /><br />if (</font><font color="#0000BB">$buff </font><font color="#007700">!= -</font><font color="#0000BB">1</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">// somefile.txt was last modified on: March 26 2003 14:16:41.<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#007700">echo </font><font color="#DD0000">"$file was last modified on : " </font><font color="#007700">. </font><font color="#0000BB">date </font><font color="#007700">(</font><font color="#DD0000">"F d Y H:i:s."</font><font color="#007700">, </font><font color="#0000BB">$buff</font><font color="#007700">);<br />} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Couldn't get mdtime"</font><font color="#007700">;<br />}<br /><br /></font><font color="#FF8000">// close the connection<br /></font><font color="#0000BB">ftp_close</font><font color="#007700">(</font><font color="#0000BB">$conn_id</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
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>
    </P
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>&#13;     如果成功返回一个 UNIX 时间戳，否则返回 -1。
    </P
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><B
>注意: </B
>
      某些 FTP 服务器可能会不支持这个特性。
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><B
>注意: </B
>
      <B
CLASS="function"
>ftp_mdtm()</B
> 函数不适用于检查目录。
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