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魔王卷子
ae3025099b
* Update mb-check-encoding.xml * Update mb-convert-case.xml * Update mb-convert-encoding.xml * Update mb-convert-variables.xml * Update mb-decode-mimeheader.xml * Update mb-decode-numericentity.xml * Update mb-detect-encoding.xml * Update mb-detect-encoding.xml * Update mb-detect-encoding.xml * Update mb-detect-encoding.xml
117 lines
3.3 KiB
XML
117 lines
3.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: d2ff0abe1650703e8974acaa7674c678e587a696 Maintainer: daijie Status: ready -->
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<!-- CREDITS: mowangjuanzi -->
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<refentry xml:id="function.mb-check-encoding" 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_check_encoding</refname>
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<refpurpose>检查字符串在指定的编码里是否有效</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>bool</type><methodname>mb_check_encoding</methodname>
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<methodparam choice="opt"><type class="union"><type>array</type><type>string</type><type>null</type></type><parameter>value</parameter><initializer>&null;</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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检查指定字节流在指定编码中是否有效。如果 <parameter>value</parameter> 是 &array; 类型，则递归验证所有键和值。它能有效避免所谓的“无效编码攻击（Invalid Encoding Attack）”。
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</para>
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<para>
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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>value</parameter></term>
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<listitem>
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<para>
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要检查的字节流或 &array;。如果省略了这个参数，此函数会检查所有来自最初请求所有的输入。
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</para>
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<warning>
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<para>
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自 PHP 8.1.0 起，禁止省略此参数或传递 &null;。
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</para>
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</warning>
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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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<para>
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期望的编码。
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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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&return.success;
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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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<row>
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<entry>8.1.0</entry>
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<entry>
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弃用使用 &null; 作为 <parameter>value</parameter> 或不带参数调用此函数。
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</entry>
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</row>
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<row>
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<entry>8.0.0</entry>
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<entry>
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<parameter>value</parameter> 和 <parameter>encoding</parameter> 现在可以为 null。
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</entry>
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</row>
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<row>
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<entry>7.2.0</entry>
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<entry>
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此函数现在也接受 &array; 作为 <parameter>value</parameter>。之前仅支持 &string;。
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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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</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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