mirror of
https://github.com/php/doc-zh.git
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121 lines
3.0 KiB
XML
121 lines
3.0 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 45042fef652f1b4e904e809fcbfcf31f6c60670b Maintainer: daijie Status: ready -->
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<!-- CREDITS: mowangjuanzi -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.ucfirst">
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<refnamediv>
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<refname>ucfirst</refname>
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<refpurpose>将字符串的首字母转换为大写</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>ucfirst</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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将 <parameter>string</parameter> 的首字符（如果首字符是 <literal>"a"</literal>（0x61）到
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<literal>"z"</literal>（0x7a）范围内的 ASCII 字符）转换为大写字母，并返回这个字符串。
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</para>
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<para>
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注意字母的定义取决于当前区域设定。例如，在默认的 “C” 区域，字符 umlaut-a（ä）将不会被转换。
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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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输入字符串。
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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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返回结果字符串。
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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>ucfirst</function> 示例</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$foo = 'hello world!';
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echo ucfirst($foo), PHP_EOL; // Hello world!
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$bar = 'HELLO WORLD!';
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echo ucfirst($bar), PHP_EOL; // HELLO WORLD!
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echo ucfirst(strtolower($bar)), PHP_EOL; // Hello world!
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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="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>lcfirst</function></member>
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<member><function>strtolower</function></member>
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<member><function>strtoupper</function></member>
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<member><function>ucwords</function></member>
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<member><function>mb_convert_case</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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