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git-svn-id: https://svn.php.net/repository/phpdoc/fr/trunk@351625 c90b9560-bf6c-de11-be94-00142212c4b1
126 lines
3.6 KiB
XML
126 lines
3.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 02ba67b51f2bde571b6ce07026e935f4e81019af Maintainer: yannick Status: ready -->
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<!-- Reviewed: yes -->
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<refentry xml:id="function.gzcompress" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>gzcompress</refname>
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<refpurpose>Compresse une chaîne</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 class="union"><type>string</type><type>false</type></type><methodname>gzcompress</methodname>
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<methodparam><type>string</type><parameter>data</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>level</parameter><initializer>-1</initializer></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>encoding</parameter><initializer><constant>ZLIB_ENCODING_DEFLATE</constant></initializer></methodparam>
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</methodsynopsis>
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<para>
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<function>gzcompress</function> compresse la chaîne donnée en utilisant
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le format de données <literal>ZLIB</literal>.
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</para>
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<para>
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Pour plus de détails sur l'algorithme, lisez le document
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<link xlink:href="&url.rfc;1950"><literal>"ZLIB Compressed Data Format
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Specification version 3.3"</literal></link> (RFC 1950).
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</para>
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<note>
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<para>
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Ce n'est <emphasis>pas</emphasis> la même chose que la compression gzip,
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qui inclut quelques en-têtes de données. Voir <function>gzencode</function>
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pour la compression gzip.
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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>data</parameter></term>
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<listitem>
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<para>
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La donnée à compresser.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>level</parameter></term>
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<listitem>
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<para>
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Le degré de compression. 0 signifie aucune compression, jusqu'à 9
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pour une compression maximale.
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</para>
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<para>
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Si ce paramètre vaut -1, la compression par défaut
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de la bibliothèque zlib sera utilisée, soit 6.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>encoding</parameter></term>
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<listitem>
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<para>
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Une constante <constant>ZLIB_ENCODING_*</constant>.
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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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La chaîne compressée ou &false; si une erreur survient.
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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>Exemple avec <function>gzcompress</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$compressed = gzcompress('Compresse moi', 9);
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echo $compressed;
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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>gzdeflate</function></member>
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<member><function>gzinflate</function></member>
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<member><function>gzuncompress</function></member>
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<member><function>gzencode</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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