mirror of
https://github.com/php/doc-zh.git
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mowangjuanzi
139 lines
4.0 KiB
XML
139 lines
4.0 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: c49274b06187db6cf96df8a48e5a3b92d1b56b16 Maintainer: zhoumengkang Status: ready -->
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<!-- CREDITS: her-cat, Luffy, mowangjuanzi -->
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<refentry xml:id="function.stream-context-create" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stream_context_create</refname>
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<refpurpose>创建资源流上下文</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>resource</type><methodname>stream_context_create</methodname>
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<methodparam choice="opt"><type class="union"><type>array</type><type>null</type></type><parameter>options</parameter><initializer>&null;</initializer></methodparam>
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<methodparam choice="opt"><type class="union"><type>array</type><type>null</type></type><parameter>params</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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创建并返回一个资源流上下文，该资源流中包含了 <parameter>options</parameter> 中提前设定的所有参数的值。
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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>options</parameter></term>
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<listitem>
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<para>
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必须是一个二维关联数组或 &null;，二维关联数组格式如下：<literal>$arr['wrapper']['option'] = $value</literal>。请参考
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<link linkend="context">上下文（Context）选项</link> 中可用的封装协议和选项列表。
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</para>
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<para>
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默认为 &null;。
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>params</parameter></term>
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<listitem>
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<para>
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必须是 <literal>$arr['parameter'] = $value</literal> 格式的关联数组或 &null;。
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请参考 <link linkend="context.params">上下文（Context）参数</link> 里的标准资源流参数列表。
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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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上下文资源流，类型为 <type>resource</type> 。
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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>8.0.0</entry>
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<entry>
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现在 <parameter>options</parameter> 和 <parameter>params</parameter> 可以为 null。
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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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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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<title>使用 <function>stream_context_create</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$opts = [
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'http' => [
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'method' => "GET",
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// 使用 CRLF \r\n 分隔多个 header
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'header' => "Accept-language: en\r\n" .
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"Cookie: foo=bar",
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]
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];
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$context = stream_context_create($opts);
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/* 包含上面的 header 头，向 www.example.com
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发送 HTTP 请求 */
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$fp = fopen('http://www.example.com', 'r', false, $context);
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fpassthru($fp);
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fclose($fp);
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?>
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]]>
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</programlisting>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<simplelist>
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<member><function>stream_context_set_option</function></member>
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<member>支持的封装协议列表（<xref linkend="wrappers"/>）</member>
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<member>上下文选项（<xref linkend="context"/>）</member>
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</simplelist>
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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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