mirror of
https://github.com/sigmasternchen/php-doc-en
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0c9c2dd669
Cf. <https://github.com/php/doc-en/pull/289>. git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@352191 c90b9560-bf6c-de11-be94-00142212c4b1
122 lines
3.7 KiB
XML
122 lines
3.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.utf8-decode">
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<refnamediv>
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<refname>utf8_decode</refname>
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<refpurpose>
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Converts a string with ISO-8859-1 characters encoded with UTF-8
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to single-byte ISO-8859-1
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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>utf8_decode</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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This function converts the string <parameter>string</parameter> from the
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<literal>UTF-8</literal> encoding to <literal>ISO-8859-1</literal>. Bytes
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in the string which are not valid <literal>UTF-8</literal>, and
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<literal>UTF-8</literal> characters which do not exist in
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<literal>ISO-8859-1</literal> (that is, characters above
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<literal>U+00FF</literal>) are replaced with <literal>?</literal>.
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</para>
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<note>
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<para>
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Many web pages marked as using the <literal>ISO-8859-1</literal> character
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encoding actually use the similar <literal>Windows-1252</literal> encoding,
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and web browsers will interpret <literal>ISO-8859-1</literal> web pages as
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<literal>Windows-1252</literal>. <literal>Windows-1252</literal> features
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additional printable characters, such as the Euro sign
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(<literal>€</literal>) and curly quotes (<literal>“</literal>
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<literal>”</literal>), instead of certain <literal>ISO-8859-1</literal>
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control characters. This function will not convert such
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<literal>Windows-1252</literal> characters correctly. Use a different
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function if <literal>Windows-1252</literal> conversion is required.
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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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A UTF-8 encoded string.
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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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Returns the ISO-8859-1 translation of <parameter>string</parameter>.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<para>
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>7.2.0</entry>
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<entry>
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This function has been moved to the core of PHP, and therefore lifting the requirement
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on the XML extension for this function to be available.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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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>utf8_encode</function> - Performs the reverse conversion</member>
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<member><function>mb_convert_encoding</function> - Converts between various character encodings, including UTF-8, ISO-8859-1 and Windows-1252</member>
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<member><function>iconv</function> - Converts between various character encodings</member>
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<member><function>recode_string</function> - Converts between various character encodings</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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