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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<refentry xml:id="function.stream-filter-remove" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stream_filter_remove</refname>
<refpurpose>Remove a filter from a stream</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>bool</type><methodname>stream_filter_remove</methodname>
<methodparam><type>resource</type><parameter>stream_filter</parameter></methodparam>
</methodsynopsis>
<simpara>
Removes a stream filter previously added to a stream
with <function>stream_filter_prepend</function> or
<function>stream_filter_append</function>. Any data
remaining in the filter's internal buffer will be flushed
through to the next filter before removing it.
</simpara>
<para>
<example>
<title>Dynamicly refiltering a stream</title>
<programlisting role="php">
<![CDATA[
<?php
/* Open a test file for reading and writing */
$fp = fopen("test.txt", "rw");
$rot13_filter = stream_filter_append($fp, "string.rot13", STREAM_FILTER_WRITE);
fwrite($fp, "This is ");
stream_filter_remove($rot13_filter);
fwrite($fp, "a test\n");
rewind($fp);
fpassthru($fp);
fclose($fp);
/* Expected Output
---------------
Guvf vf a test
*/
?>
]]>
</programlisting>
</example>
</para>
<simpara>
See also
<function>stream_filter_register</function>,
<function>stream_filter_append</function>, and
<function>stream_filter_prepend</function>.
</simpara>
</refsect1>
</refentry>
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