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129 lines
4.1 KiB
XML
129 lines
4.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: ecaa2146429a7f88de40dfce14718afc896b74c5 Maintainer: mowangjuanzi Status: ready -->
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<reference xml:id="class.streamwrapper" role="class" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
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<title>streamWrapper 类</title>
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<titleabbrev>streamWrapper</titleabbrev>
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<partintro>
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<!-- {{{ streamWrapper intro -->
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<section xml:id="streamwrapper.intro">
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&reftitle.intro;
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<para>
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允许实现自定义协议处理程序和流，以便与其它文件系统函数（比如 <function>fopen</function>、
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<function>fread</function> 等）一起使用。
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</para>
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<note>
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<para>
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这<emphasis>不是</emphasis>真实的类，只是如何定义协议的原型类。
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</para>
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</note>
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<note>
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<para>
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不使用此处描述的方法而使用其它方式可能会导致未定义行为。
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</para>
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</note>
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<para>
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一旦流函数尝试访问与其关联的协议，就会初始化此类的实例。
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</para>
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</section>
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<!-- }}} -->
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<section xml:id="streamwrapper.synopsis">
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&reftitle.classsynopsis;
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<!-- {{{ Synopsis -->
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<classsynopsis>
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<ooclass><classname>streamWrapper</classname></ooclass>
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<!-- {{{ Class synopsis -->
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<classsynopsisinfo>
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<ooclass>
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<classname><replaceable>streamWrapper</replaceable></classname>
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</ooclass>
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</classsynopsisinfo>
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<!-- }}} -->
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<classsynopsisinfo role="comment">&Properties;</classsynopsisinfo>
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<fieldsynopsis>
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<modifier>public</modifier>
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<type>resource</type>
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<varname linkend="streamwrapper.props.context">context</varname>
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</fieldsynopsis>
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<classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
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<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.streamwrapper')/db:refentry/db:refsect1[@role='description']/descendant::db:constructorsynopsis[not(@role='procedural')])" />
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<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.streamwrapper')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[not(@role='procedural')])" />
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<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.streamwrapper')/db:refentry/db:refsect1[@role='description']/descendant::db:destructorsynopsis[not(@role='procedural')])" />
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</classsynopsis>
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<!-- }}} -->
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</section>
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<!-- {{{ streamWrapper properties -->
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<section xml:id="streamwrapper.props">
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&reftitle.properties;
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<variablelist>
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<varlistentry xml:id="streamwrapper.props.context">
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<term>资源 <varname>context</varname></term>
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<listitem>
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<para>
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当前 <link linkend="context">context</link>，或者没有 context 传递给调用函数，则为 &null;。
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</para>
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<para>
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使用 <function>stream_context_get_options</function> 解析 context。
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</para>
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<note>
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<para>
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此属性<emphasis>必须</emphasis>是 public，以便 PHP 可以使用使用实际的 context 资源填充它。
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</para>
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</note>
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</listitem>
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</varlistentry>
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</variablelist>
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</section>
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<!-- }}} -->
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<section role="seealso"><!-- {{{ -->
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><xref linkend="stream.streamwrapper.example-1" /></member>
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<member><function>stream_wrapper_register</function></member>
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<member><function>stream_wrapper_unregister</function></member>
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<member><function>stream_wrapper_restore</function></member>
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</simplelist>
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</para>
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</section><!-- }}} -->
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</partintro>
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&reference.stream.entities.streamwrapper;
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</reference>
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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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