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  <refentry id="function.fileatime">
   <refnamediv>
    <refname>fileatime</refname>
    <refpurpose>Gets last access time of file</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>int</type><methodname>fileatime</methodname>
      <methodparam><type>string</type><parameter>filename</parameter></methodparam>
     </methodsynopsis>
    <simpara> 
     Returns the time the file was last accessed, or &false; in case of
     an error. The time is returned as a Unix timestamp.
    </simpara>
    <simpara>
     The results of this function are cached. See
     <function>clearstatcache</function> for more details.
    </simpara>
    <simpara>
     Note: The atime of a file is supposed to change whenever
     the data blocks of a file are being read. This can be
     costly performancewise when an application regularly
     accesses a very large number of files or directories. Some
     Unix filesystems can be mounted with atime updates disabled
     to increase the performance of such applications; USENET
     news spools are a common example. On such filesystems
     this function will be useless.
    </simpara>
    <simpara>
     This function will not work on <link
     linkend="features.remote-files">remote files</link>; the file to
     be examined must be accessible via the server's filesystem.
    </simpara>
   </refsect1>
  </refentry>

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