mirror of
https://github.com/php/doc-zh.git
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121 lines
3.5 KiB
XML
121 lines
3.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: bb66ce4d449049730d4967ce74fb68f15a138612 Maintainer: Luffy Status: ready -->
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<!-- CREDITS: LI XiangChen -->
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<refentry xml:id="function.mb-str-split" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>mb_str_split</refname>
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<refpurpose>指定多字节字符串，返回其字符数组</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>array</type><methodname>mb_str_split</methodname>
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<methodparam><type>string</type><parameter>string</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>length</parameter><initializer>1</initializer></methodparam>
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<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>encoding</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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此函数将返回一个字符串数组，这是一个支持字符变长编码以及 1、2、4 字节字符定长编码版本的 <function>str_split</function>。
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如果指定了 <parameter>length</parameter> 参数，则将字符串按指定的字符长度（而不是字节长度）拆分为块。
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可以选择指定 <parameter>encoding</parameter> 参数，这样是很好的做法。
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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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要拆分为单个字符或块的字符串。
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>length</parameter></term>
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<listitem>
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<para>
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如果指定，则返回的数组中的每个元素将会由多个字符而不是单个字符组成。
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>encoding</parameter></term>
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<listitem>
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&mbstring.encoding.parameter;
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<para>
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一个字符串，用于指定一种<link linkend="mbstring.supported-encodings">受支持的编码</link>。
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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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<function>mb_str_split</function> 返回字符串数组。
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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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&mbstring.changelog.encoding-nullable;
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<row>
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<entry>8.0.0</entry>
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<entry>
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此函数在失败时不再返回 &false;。
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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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</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>str_split</function></member>
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<member><function>grapheme_str_split</function></member>
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<member><function>explode</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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