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stream-bucket-prepend.xml
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stream-bucket-prepend.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 54b06426830ad1c96a042a848f40916b42f30d48 Maintainer: seros Status: ready -->
<!-- Reviewed: no Maintainer: seros -->
<!-- Generated by xml_proto.php v2.2. Found in /scripts directory of phpdoc. -->
<refentry xml:id="function.stream-bucket-prepend" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stream_bucket_prepend</refname>
<refpurpose>
Añade un recipiente al principio de una cadena de recipientes
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>void</type><methodname>stream_bucket_prepend</methodname>
<methodparam><type>resource</type><parameter>brigade</parameter></methodparam>
<methodparam><type>object</type><parameter>bucket</parameter></methodparam>
</methodsynopsis>
<para>
Se puede invocar a esta función para añadir un recipiente al principio de una cadena de recipientes.
Normalmente se llama desde <methodname>php_user_filter::filter</methodname>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>brigade</parameter></term>
<listitem>
<para>
<parameter>brigade</parameter> es un recurso que apunta a una <literal>bucjet brigade</literal> (cadena de recipientes)
que contiene uno o más objetos <literal>bucket</literal> (recipiente).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>bucket</parameter></term>
<listitem>
<para>
Un objeto recipiente.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.void;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Ejemplos de <function>stream_bucket_prepend</function></title>
<programlisting role="php">
<![CDATA[
<?php
class foo extends php_user_filter {
protected $calls = 0;
public function filter($in, $out, &$consumed, $closing) {
while ($bucket = stream_bucket_make_writeable($in)) {
$consumed += $bucket->datalen;
if ($this->calls++ == 2) {
// Este recipiente aparecerá de nuevo antes que cualquier otro recipiente.
stream_bucket_prepend($in, $bucket);
}
}
return PSFS_FEED_ME;
}
}
stream_filter_register('test', 'foo');
print file_get_contents('php://filter/read=test/resource=foo');
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->