mirror of
https://github.com/sigmasternchen/php-doc-en
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@146741 c90b9560-bf6c-de11-be94-00142212c4b1
113 lines
3.4 KiB
XML
113 lines
3.4 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.5 $ -->
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<!-- splitted from ./en/functions/mbstring.xml, last change in rev 1.1 -->
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<refentry id="function.mb-output-handler">
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<refnamediv>
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<refname>mb_output_handler</refname>
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<refpurpose>
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Callback function converts character encoding in output buffer
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</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>string</type><methodname>mb_output_handler</methodname>
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<methodparam><type>string</type><parameter>contents</parameter></methodparam>
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<methodparam><type>int</type><parameter>status</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>mb_output_handler</function> is
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<function>ob_start</function> callback
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function. <function>mb_output_handler</function> converts
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characters in output buffer from internal character encoding to
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HTTP output character encoding.
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</para>
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<para>
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4.1.0 or later version, this handler adds charset HTTP header
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when following conditions are met:
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</para>
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<para>
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<itemizedlist>
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<listitem>
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<simpara>Does not set <literal>Content-Type</literal> by
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header()</simpara>
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</listitem>
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<listitem>
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<simpara>Default MIME type begins with
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<literal>text/</literal></simpara>
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</listitem>
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<listitem>
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<simpara><literal>http_output</literal> setting is other than
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pass</simpara>
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</listitem>
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</itemizedlist>
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</para>
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<para>
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<parameter>contents</parameter> : Output buffer contents
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</para>
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<para>
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<parameter>status</parameter> : Output buffer status
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</para>
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<para>
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Return Value: String converted
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</para>
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<para>
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<example>
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<title><function>mb_output_handler</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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mb_http_output("UTF-8");
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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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<note>
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<para>
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If you want to output some binary data such as image from PHP
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script with PHP 4.3.0 or later, Content-Type: header must be send
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using <function>header</function> before any binary data was send
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to client (e.g. header("Content-Type: image/png")).
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If Content-Type: header was send, output character encoding
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conversion will not be performed.
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</para>
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<para>
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Note that if 'Content-Type: text/*' was send using
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<function>header</function>, the sending data is regarded as text,
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encoding conversion will be performed using character encoding
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settings.
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</para>
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<para>
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If you want to output some binary data such as image from PHP
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script with PHP 4.2.x or earlier, you must set output encoding to
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"pass" using <function>mb_http_output</function>.
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</para>
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</note>
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<para>
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See also <function>ob_start</function>.
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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:"../../../../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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