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https://github.com/php/doc-zh.git
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mowangjuanzi
110 lines
2.8 KiB
XML
110 lines
2.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 71e12e2df7b0bcf0dc2743681b73790ac0d45ccc Maintainer: HonestQiao Status: ready -->
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<!-- CREDITS: mowangjuanzi -->
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<refentry xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://docbook.org/ns/docbook" xml:id="function.md5">
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<refnamediv>
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<refname>md5</refname>
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<refpurpose>计算字符串的 MD5 散列值</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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&warn.passwordhashing;
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</refsynopsisdiv>
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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>md5</methodname>
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<methodparam><type>string</type><parameter>string</parameter></methodparam>
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<methodparam choice="opt"><type>bool</type><parameter>binary</parameter><initializer>&false;</initializer></methodparam>
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</methodsynopsis>
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<para>
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使用 <link xlink:href="&url.rfc;1321">RSA 数据安全公司的 MD5 消息摘要算法</link> 计算
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<parameter>string</parameter> 的 MD5 散列值，并返回该散列值。
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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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要计算的字符串。
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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>binary</parameter></term>
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<listitem>
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<para>
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如果可选的 <parameter>binary</parameter> 被设置为 &true;，那么 md5 摘要将以 16 字符长度的原始二进制格式返回。
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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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以 32 字符的十六进制数形式返回散列值。
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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>md5</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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$str = 'apple';
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if (md5($str) === '1f3870be274f6c49b3e31a0c6728957f') {
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echo "Would you like a green or red apple?";
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}
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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>hash</function></member>
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<member><function>password_hash</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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