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  <refentry id="function.filemtime">
   <refnamediv>
    <refname>filemtime</refname>
    <refpurpose>Gets file modification time</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>int</type><methodname>filemtime</methodname>
      <methodparam><type>string</type><parameter>filename</parameter></methodparam>
     </methodsynopsis>
    <para>
     Returns the time the file was last modified, or &false; in case of
     an error. The time is returned as a Unix timestamp, which is
     suitable for the <function>date</function> function.
    </para>
    
    &note.clearstatcache;
    
    &tip.fopen-wrapper.stat;

    <para>
     This function returns the time when the data
     blocks of a file were being written to, that is, the time
     when the content of the file was changed.
    </para>
    <para>
     <example>
      <title><function>filemtime</function> example</title>
      <programlisting role="php">
<![CDATA[
<?php
// outputs e.g.  somefile.txt was last modified: December 29 2002 22:16:23.

$filename = 'somefile.txt';
if (file_exists($filename)) {
    echo "$filename was last modified: " . date ("F d Y H:i:s.", filemtime($filename));
}
?>
]]>
      </programlisting>
     </example>
    </para>
    <para>
     See also <function>filectime</function>, <function>stat</function>,
     <function>touch</function>, and <function>getlastmod</function>.
    </para>
   </refsect1>
  </refentry>

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