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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@107384 c90b9560-bf6c-de11-be94-00142212c4b1
84 lines
2.9 KiB
XML
84 lines
2.9 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.3 $ -->
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<refentry id="function.mb-convert-case">
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<refnamediv>
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<refname>mb_convert_case</refname>
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<refpurpose>Perform case folding on a string</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_convert_case</methodname>
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<methodparam><type>string</type><parameter>str</parameter></methodparam>
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<methodparam><type>int</type><parameter>mode</parameter></methodparam>
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<methodparam choice="opt"><type>string</type><parameter>encoding</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>mb_convert_case</function> returns case folded version of
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<parameter>string</parameter> converted in the way specified by
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<parameter>mode</parameter>.
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</para>
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<para>
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<parameter>mode</parameter> can be one of MB_CASE_UPPER, MB_CASE_LOWER
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or MB_CASE_TITLE.
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</para>
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<para>
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<parameter>encoding</parameter> specifies the encoding of
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<parameter>str</parameter>; if omitted, the internal character encoding
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value will be used.
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</para>
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<para>
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The return value is str with the appropriate case folding applied.
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</para>
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<para>
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By contrast to the standard case folding functions such as
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<function>strtolower</function> and <function>strtoupper</function>,
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case folding is performed on the basis of the Unicode character
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properties. Thus the behaviour of this function is not affected
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by locale settings and it can convert any characters that have
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'alphabetic' property, such as A-umlaut (Ä).
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</para>
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<para>
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For more information about the Unicode properties, please see <ulink
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url="&url.unicode.reports;">&url.unicode.reports;</ulink>.
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</para>
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<example>
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<title><function>mb_convert_case</function> example</title>
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<programlisting role="php">
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<![CDATA[
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$str = "mary had a Little lamb and she loved it so";
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$str = mb_convert_case($str, MB_CASE_UPPER, "UTF-8");
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print $str; # Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
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$str = mb_convert_case($str, MB_CASE_TITLE, "UTF-8");
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print $str; # Prints Mary Had A Little Lamb And She Loved It So
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]]>
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</programlisting>
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</example>
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<para>
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See also <function>mb_strtolower</function>,
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<function>mb_strtoupper</function>, <function>strtolower</function>,
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<function>strtoupper</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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