php-doc-en/reference/outcontrol/functions/ob-get-flush.xml
2014-09-05 07:44:07 +00:00

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XML

<?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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