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  <refentry id="function.filesize">
   <refnamediv>
    <refname>filesize</refname>
    <refpurpose>Gets file size</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>int</type><methodname>filesize</methodname>
      <methodparam><type>string</type><parameter>filename</parameter></methodparam>
     </methodsynopsis>
    <para> 
     Returns the size of the file in bytes, or &false; in case of an error.
    </para>
    <note>
     <simpara>
      Because PHP's integer type is signed and many platforms use 32bit integers,
      <function>filesize</function> may return unexpected results for files which
      are larger than 2GB.  For files between 2GB and 4GB in size this can usually 
      be overcome by using <literal>sprintf("%u", filesize($file))</literal>.
     </simpara>
    </note>
    
    &note.clearstatcache;

    &tip.fopen-wrapper.stat;

    <para>
     <example>
      <title><function>filesize</function> example</title>
      <programlisting role="php">
<![CDATA[
<?php

// outputs e.g.  somefile.txt: 1024 bytes

$filename = 'somefile.txt';
echo $filename . ': ' . filesize($filename) . ' bytes';

?>
]]>
      </programlisting>
     </example>
    </para>
    <simpara>
     See also <function>file_exists</function>
    </simpara>
   </refsect1>
  </refentry>

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