<?xml version="1.0" encoding="utf-8"?>
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.ob-get-flush">
 <refnamediv>
  <refname>ob_get_flush</refname>
  <refpurpose>Flush the output buffer, return it as a string and turn off output buffering</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>ob_get_flush</methodname>
   <void/>
  </methodsynopsis>
  <para>
   <function>ob_get_flush</function> flushes the output buffer, return
   it as a string and turns off output buffering.
  </para>
  <para>
   The output buffer must be started by
   <function>ob_start</function> with <link
   linkend="constant.php-output-handler-flushable">PHP_OUTPUT_HANDLER_FLUSHABLE</link>
   flag. Otherwise <function>ob_get_flush</function> will not work.
  </para>
  <note>
   <simpara>
    This function is similar to <function>ob_end_flush</function>, except
    that this function returns the buffer as a string.
   </simpara>
  </note>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the output buffer or &false; if no buffering is active.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>ob_get_flush</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
//using output_buffering=On
print_r(ob_list_handlers());

//save buffer in a file
$buffer = ob_get_flush();
file_put_contents('buffer.txt', $buffer);

print_r(ob_list_handlers());
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Array
(
    [0] => default output handler
)
Array
(
)
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>ob_end_clean</function></member>
    <member><function>ob_end_flush</function></member>
    <member><function>ob_list_handlers</function></member>
   </simplelist>
  </para>
 </refsect1> 

</refentry>

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