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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.ob-clean" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>ob_clean</refname>
<refpurpose>Clean (erase) the contents of the active output buffer</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>ob_clean</methodname>
<void/>
</methodsynopsis>
<para>
This function calls the output handler
(with the <constant>PHP_OUTPUT_HANDLER_CLEAN</constant> flag),
discards it's return value
and cleans (erases) the contents of the active output buffer.
</para>
<para>
This function does not turn off the active output buffer like
<function>ob_end_clean</function> or <function>ob_get_clean</function> does.
</para>
<para>
<function>ob_clean</function> will fail
without an active output buffer started with the
<constant>PHP_OUTPUT_HANDLER_CLEANABLE</constant> flag.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<para>
If the function fails it generates an <constant>E_NOTICE</constant>.
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>ob_start</function></member>
<member><function>ob_get_contents</function></member>
<member><function>ob_end_clean</function></member>
<member><function>ob_get_clean</function></member>
<member><function>ob_flush</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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