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stream-wrapper-register.xml
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159 lines (149 loc) · 4.02 KB
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: b6c8a19a38e06d858efe505587fa90fead553a74 Maintainer: PhilDaiguille Status: ready -->
<!-- Reviewed: yes -->
<refentry xml:id="function.stream-wrapper-register" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stream_wrapper_register</refname>
<refpurpose>
Registra un gestor de URL
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>stream_wrapper_register</methodname>
<methodparam><type>string</type><parameter>protocol</parameter></methodparam>
<methodparam><type>string</type><parameter>class</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>0</initializer></methodparam>
</methodsynopsis>
<para>
<function>stream_wrapper_register</function> permite implementar
gestores de protocolo y flujo, para ser utilizados con
todas las otras funciones de ficheros, como <function>fopen</function>,
<function>fread</function>, etc.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>protocol</parameter></term>
<listitem>
<para>
El nombre del gestor a registrar.
Los nombres de protocolo válidos deben contener únicamente caracteres
alfanuméricos, puntos (.), más (+) o guiones (-).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>class</parameter></term>
<listitem>
<para>
La clase que implementa el protocolo <parameter>protocol</parameter>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>flags</parameter></term>
<listitem>
<para>
Debe ser configurado a <constant>STREAM_IS_URL</constant> si
<parameter>protocol</parameter> es un protocolo de URL. Por omisión,
esta opción vale 0, y es válida para flujos locales.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
<para>
<function>stream_wrapper_register</function> retorna &false; si
el protocolo <parameter>protocol</parameter> ya tiene un gestor.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Cómo registrar un gestor de flujo</title>
<programlisting role="php">
<![CDATA[
<?php
$existed = in_array("var", stream_get_wrappers());
if ($existed) {
stream_wrapper_unregister("var");
}
stream_wrapper_register("var", "VariableStream");
$myvar = "";
$fp = fopen("var://myvar", "r+");
fwrite($fp, "line1\n");
fwrite($fp, "line2\n");
fwrite($fp, "line3\n");
rewind($fp);
while (!feof($fp)) {
echo fgets($fp);
}
fclose($fp);
var_dump($myvar);
if ($existed) {
stream_wrapper_restore("var");
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
line1
line2
line3
string(18) "line1
line2
line3
"
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member>El prototipo de clase <xref linkend="class.streamwrapper"/></member>
<member><xref linkend="stream.streamwrapper.example-1"/></member>
<member><function>stream_wrapper_unregister</function></member>
<member><function>stream_wrapper_restore</function></member>
<member><function>stream_get_wrappers</function></member>
</simplelist>
</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
-->