<?xml version="1.0" encoding="utf-8"?>
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.fflush">
 <refnamediv>
  <refname>fflush</refname>
  <refpurpose>Flushes the output to a file</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>fflush</methodname>
   <methodparam><type>resource</type><parameter>handle</parameter></methodparam>
  </methodsynopsis>
  <para>
   This function forces a write of all buffered output to the resource
   pointed to by the file <parameter>handle</parameter>.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>handle</parameter></term>
     <listitem>
      &fs.validfp.all;
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>File write example using <function>fflush</function></title>
    <programlisting role="php">
<![CDATA[
<?php
$filename = 'bar.txt';

$file = fopen($filename, 'r+');
rewind($file);
fwrite($file, 'Foo');
fflush($file);
ftruncate($file, ftell($file));
fclose($file);
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>clearstatcache</function></member>
    <member><function>fwrite</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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