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54ff7bf8e0
* Add a detailed description of what is meant by ASCII case conversion to strtolower() and strtoupper(). * Replace locale-related text on ucfirst(), lcfirst() and ucwords() with text about ASCII case conversion. * Remove entity note.locale-single-byte since it was only used on ucwords(). * Add changelog entries to all the functions mentioned in the RFC. Co-authored-by: George Peter Banyard <girgias@php.net>
128 lines
3.0 KiB
XML
128 lines
3.0 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.strtoupper">
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<refnamediv>
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<refname>strtoupper</refname>
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<refpurpose>Make a string uppercase</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>strtoupper</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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Returns <parameter>string</parameter> with all ASCII alphabetic characters
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converted to uppercase.
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</para>
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<para>
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Bytes in the range <literal>"a"</literal> (0x61) to <literal>"z"</literal>
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(0x7a) will be converted to the corresponding uppercase letter by subtracting
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32 from each byte value.
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</para>
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<para>
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This can be used to convert ASCII characters within strings encoded with
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UTF-8, since multibyte UTF-8 characters will be ignored. To convert multibyte
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non-ASCII characters, use <function>mb_strtoupper</function>.
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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>string</parameter></term>
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<listitem>
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<para>
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The input 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 uppercased string.
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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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<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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&strings.changelog.ascii-case-conversion;
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</tbody>
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</tgroup>
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</informaltable>
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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><function>strtoupper</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$str = "Mary Had A Little Lamb and She LOVED It So";
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$str = strtoupper($str);
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echo $str; // Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
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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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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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¬e.bin-safe;
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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>strtolower</function></member>
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<member><function>ucfirst</function></member>
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<member><function>ucwords</function></member>
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<member><function>mb_strtoupper</function></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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