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157 lines
4.3 KiB
XML
157 lines
4.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: ea62fb83196997032641b50fe44420305466195e Maintainer: yannick Status: ready -->
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<!-- Reviewed: yes -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.readfile">
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<refnamediv>
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<refname>readfile</refname>
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<refpurpose>Affiche un fichier</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>int</type><type>false</type></type><methodname>readfile</methodname>
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<methodparam><type>string</type><parameter>filename</parameter></methodparam>
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<methodparam choice="opt"><type>bool</type><parameter>use_include_path</parameter><initializer>&false;</initializer></methodparam>
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<methodparam choice="opt"><type class="union"><type>resource</type><type>null</type></type><parameter>context</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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Lit un fichier et l'envoie dans le buffer de sortie.
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</para>
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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>filename</parameter></term>
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<listitem>
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<para>
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Le fichier à lire.
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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>use_include_path</parameter></term>
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<listitem>
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<para>
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Vous pouvez utiliser le deuxième paramètre optionnel
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pour explorer le dossier <link linkend="ini.include-path">include_path</link>,
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en passant la valeur de &true;.
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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>context</parameter></term>
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<listitem>
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¬e.context-support;
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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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Retourne le nombre d'octets lus depuis le fichier
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en cas de succès, &return.falseforfailure;
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</para>
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</refsect1>
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<refsect1 role="errors">
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&reftitle.errors;
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&fs.emits.warning.on.failure;
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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>Forcer le téléchargement en utilisant <function>readfile</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$file = 'monkey.gif';
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if (file_exists($file)) {
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header('Content-Description: File Transfer');
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header('Content-Type: application/octet-stream');
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header('Content-Disposition: attachment; filename="'.basename($file).'"');
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header('Expires: 0');
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header('Cache-Control: must-revalidate');
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header('Pragma: public');
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header('Content-Length: ' . filesize($file));
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readfile($file);
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exit;
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}
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<mediaobject>
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<alt>Fenêtre d'ouverture / de sauvegarde</alt>
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<imageobject>
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<imagedata fileref="en/reference/filesystem/figures/readfile.png"/>
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</imageobject>
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</mediaobject>
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</example>
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</para>
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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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<note>
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<para>
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<function>readfile</function> ne présentera pas de problème mémoire,
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même lors de l'envoi de gros fichiers. Si vous rencontrez ce type
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de problème, assurez-vous que la mise en mémoire tampon de la sortie
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est désactivée avec la fonction <function>ob_get_level</function>.
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</para>
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</note>
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&tip.fopen-wrapper;
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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>fpassthru</function></member>
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<member><function>file</function></member>
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<member><function>fopen</function></member>
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<member><function>include</function></member>
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<member><function>require</function></member>
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<member><function>virtual</function></member>
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<member><function>file_get_contents</function></member>
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<member><xref linkend="wrappers"/></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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