mirror of
https://github.com/php/doc-zh.git
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117 lines
3.2 KiB
XML
117 lines
3.2 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 45042fef652f1b4e904e809fcbfcf31f6c60670b Maintainer: HonestQiao Status: ready -->
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<!-- CREDITS: Luffy, mowangjuanzi -->
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<refentry xml:id="function.chunk-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>chunk_split</refname>
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<refpurpose>将字符串分割成小块</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>chunk_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>76</initializer></methodparam>
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<methodparam choice="opt"><type>string</type><parameter>separator</parameter><initializer>"\r\n"</initializer></methodparam>
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</methodsynopsis>
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<para>
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使用此函数将字符串分割成小块非常有用。例如将
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<function>base64_encode</function> 的输出转换成符合 RFC 2045 语义的字符串。它会在每
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<parameter>length</parameter> 个字符后边插入
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<parameter>separator</parameter>。
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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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要分割的字符。
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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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分割的尺寸。
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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>separator</parameter></term>
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<listitem>
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<para>
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行尾序列符号。
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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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返回分割后的字符。
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</para>
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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>chunk_split</function> 例子</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$data = 'This is quite a long string, which will get broken up because the line is going to be too long after base64 encoding it.';
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// 使用 RFC 2045 语义格式化 $data
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$new_string = chunk_split(base64_encode($data));
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echo $new_string, PHP_EOL;
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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>str_split</function></member>
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<member><function>explode</function></member>
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<member><function>wordwrap</function></member>
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<member><link xlink:href="&url.rfc;2045">RFC 2045</link></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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