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https://github.com/php/doc-zh.git
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141 lines
4.7 KiB
XML
141 lines
4.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 18aa2012f6fa1e5b09733147e02911d16e06d4a1 Maintainer: HonestQiao Status: ready -->
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<!-- CREDITS: mowangjuanzi, Luffy -->
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<refentry xml:id="function.xml-set-external-entity-ref-handler" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>xml_set_external_entity_ref_handler</refname>
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<refpurpose>设置外部实体引用处理程序</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>true</type><methodname>xml_set_external_entity_ref_handler</methodname>
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<methodparam><type>XMLParser</type><parameter>parser</parameter></methodparam>
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<methodparam><type class="union"><type>callable</type><type>string</type><type>null</type></type><parameter>handler</parameter></methodparam>
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</methodsynopsis>
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<para>
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为 XML 解析器 <parameter>parser</parameter> 设置外部实体引用处理函数。
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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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&xml.parser.param;
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<varlistentry>
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<term><parameter>handler</parameter></term>
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<listitem>
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&xml.handler.description;
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<para>
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处理程序的签名必须是:
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<methodsynopsis>
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<type>bool</type><methodname><replaceable>handler</replaceable></methodname>
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<methodparam><type>XMLParser</type><parameter>parser</parameter></methodparam>
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<methodparam><type>string</type><parameter>open_entity_names</parameter></methodparam>
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<methodparam><type class="union"><type>string</type><type>false</type></type><parameter>base</parameter></methodparam>
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<methodparam><type>string</type><parameter>system_id</parameter></methodparam>
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<methodparam><type class="union"><type>string</type><type>false</type></type><parameter>public_id</parameter></methodparam>
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</methodsynopsis>
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<variablelist>
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&xml.handler.parser.param;
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<varlistentry>
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<term><parameter>open_entity_names</parameter></term>
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<listitem>
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<simpara>
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为该实体的解析开放的实体名列表(包括被指向的实体名),这些实体名由空格隔开。
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>base</parameter></term>
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<listitem>
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<simpara>
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这个参数是解析外部实体的系统标识符(<parameter>system_id</parameter>)的基础。
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>system_id</parameter></term>
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<listitem>
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<simpara>
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在实体定义声明中指定的系统标识符。
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>public_id</parameter></term>
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<listitem>
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<simpara>
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在实体定义声明中指定的公共标识符,如果未指定任何标识符,则该字符串为空。公共标识符中的空格将按照 XML 的要求被正常化。
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</simpara>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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如果实体已经处理,则处理程序应返回 &true;,否则返回 &false;。当返回 &false; 时,XML
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解析器将停止解析并且 <function>xml_get_error_code</function> 将返回
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<constant>XML_ERROR_EXTERNAL_ENTITY_HANDLING</constant>。
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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.true.always;
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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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&xml.changelog.handler-param;
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&xml.changelog.parser-param;
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<row>
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<entry>7.3.0</entry>
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<entry>
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如果扩展是针对 libxml 构建的,则不再忽略 <parameter>handler</parameter> 的返回值。以前,会忽略返回值,且解析也从不停止。
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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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