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https://github.com/sigmasternchen/php-doc-en
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Review is welcome git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@341282 c90b9560-bf6c-de11-be94-00142212c4b1
127 lines
3.3 KiB
XML
127 lines
3.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<chapter xml:id="mbstring.http" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<title>HTTP Input and Output</title>
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<para>
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HTTP input/output character encoding conversion may convert
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binary data also. Users are supposed to control character
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encoding conversion if binary data is used for HTTP
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input/output.
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</para>
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<note>
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<para>
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If <literal>enctype</literal> for HTML form is
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set to <literal>multipart/form-data</literal> and
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<literal>mbstring.encoding_translation</literal> is set to On
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in &php.ini; the POST'ed variables and the names of uploaded files
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will be converted to the internal character encoding as well.
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However, the conversion isn't applied to the query keys.
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</para>
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</note>
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<para>
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<itemizedlist>
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<listitem>
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<simpara>
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HTTP Input
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</simpara>
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<para>
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There is no way to control HTTP input character
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conversion from a PHP script. To disable HTTP input character
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conversion, it has to be done in &php.ini;.
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<example>
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<title>
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Disable HTTP input conversion in &php.ini;
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</title>
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<programlisting role="php.ini">
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<![CDATA[
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;; Disable HTTP Input conversion
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mbstring.http_input = pass
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;; Disable HTTP Input conversion
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mbstring.encoding_translation = Off
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]]>
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</programlisting>
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</example>
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</para>
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<para>
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When using PHP as an Apache module, it is possible to
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override those settings in each Virtual Host directive in
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&httpd.conf; or per directory with &htaccess;. Refer to the <link
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linkend="configuration">Configuration</link> section and
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Apache Manual for details.
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</para>
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</listitem>
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<listitem>
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<simpara>
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HTTP Output
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</simpara>
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<para>
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There are several ways to enable output character encoding
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conversion. One is using &php.ini;, another
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is using <function>ob_start</function> with
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<function>mb_output_handler</function> as the
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<literal>ob_start</literal> callback function.
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</para>
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</listitem>
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</itemizedlist>
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</para>
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<para>
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<example>
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<title>&php.ini; setting example</title>
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<programlisting>
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<![CDATA[
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;; Enable output character encoding conversion for all PHP pages
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;; Enable Output Buffering
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output_buffering = On
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;; Set mb_output_handler to enable output conversion
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output_handler = mb_output_handler
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]]>
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</programlisting>
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</example>
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</para>
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<para>
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<example>
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<title>Script example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// Enable output character encoding conversion only for this page
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// Set HTTP output character encoding to SJIS
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mb_http_output('SJIS');
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// Start buffering and specify "mb_output_handler" as
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// callback function
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ob_start('mb_output_handler');
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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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</chapter>
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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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