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Louis-Arnaud
f2aafed2e3
* XML schema correction: fix inline tag types in reference/ Replace incorrect inline markup tags to match doc-en structure: - <literal> -> <constant> for PHP constants - <literal> -> <type> for PHP types - Add missing <emphasis>, <acronym>, <classname> tags - Remove extra <function> self-references in descriptions - Fix <parameter> names to match EN * Fix: remove invalid <parameter> inside <subscript> in log.xml
112 lines
2.9 KiB
XML
112 lines
2.9 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 5f1a92089fa4efe81e9777f87f9ed93f4853898b Maintainer: PhilDaiguille Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.pg-unescape-bytea" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>pg_unescape_bytea</refname>
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<refpurpose>
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Elimina la protección de una cadena de tipo bytea
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</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>string</type><methodname>pg_unescape_bytea</methodname>
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<methodparam><type>string</type><parameter>string</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_unescape_bytea</function> elimina la protección de los
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caracteres de tipo bytea. Devuelve el &string; protegido, que puede
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contener datos binarios.
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</para>
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<note>
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<para>
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Al utilizar una sentencia <literal>SELECT</literal>
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con datos de tipo bytea, PostgreSQL devuelve valores
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octales, precedidos por barras invertidas \ (p. ej. \032). Los usuarios
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deben realizar la conversión al formato binario por sí mismos.
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</para>
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</note>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>string</parameter></term>
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<listitem>
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<para>
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Una <type>string</type> que contiene los datos bytea de PostgreSQL a ser convertidos
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en &string; binario de PHP.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Una <type>string</type> que contiene los datos protegidos.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Ejemplo con <function>pg_unescape_bytea</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// Conexión a la base de datos
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$dbconn = pg_connect('dbname=foo');
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// Recuperación de los datos bytea
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$res = pg_query("SELECT data FROM galeria WHERE nombre='Arboles Pino'");
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$raw = pg_fetch_result($res, 'data');
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// Convierte a binario y envía al navegador
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header('Content-type: image/jpeg');
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echo pg_unescape_bytea($raw);
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>pg_escape_bytea</function></member>
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<member><function>pg_escape_string</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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