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* Update headers-sent.xml * Update gethostbyaddr.xml * Update setcookie.xml * Update gethostname.xml * Update getservbyname.xml * Update closelog.xml * Update long2ip.xml * Update http-response-code.xml * Update gethostbyaddr.xml
139 lines
3.5 KiB
XML
139 lines
3.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 0c9c2dd669fe9395eaa73d487fbd160f9057429a Maintainer: daijie Status: ready -->
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<!-- CREDITS: mowangjuanzi -->
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<refentry xml:id="function.http-response-code" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>http_response_code</refname>
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<refpurpose>获取/设置响应的 HTTP 状态码</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 class="union"><type>int</type><type>bool</type></type><methodname>http_response_code</methodname>
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<methodparam choice="opt"><type>int</type><parameter>response_code</parameter><initializer>0</initializer></methodparam>
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</methodsynopsis>
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<para>
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获取或者设置响应的 HTTP 状态码。
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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>response_code</parameter></term>
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<listitem>
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<para>
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可选的 <parameter>response_code</parameter> 会设置响应的状态码。
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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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如果提供了 <parameter>response_code</parameter>,将返回先前的状态码。
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如果未提供 <parameter>response_code</parameter>,会返回当前的状态码。
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在 Web 服务器环境里,这些状态码的默认值都是 <literal>200</literal>。
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</para>
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<para>
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如果在非 Web 服务器环境里调用(比如 CLI 应用里),
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不提供 <parameter>response_code</parameter> 就会返回 &false; 。
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在非 Web 服务器环境里,提供 <parameter>response_code</parameter> 会返回 &true;
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(仅仅在先前没有设置过状态码的时候)。
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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>Web 服务器环境内使用 <function>http_response_code</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// 获取当前状态码,并设置新的状态码
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var_dump(http_response_code(404));
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//获取新的状态码
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var_dump(http_response_code());
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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int(200)
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int(404)
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]]>
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</screen>
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</example>
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<example>
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<title>在 CLI 环境内使用 <function>http_response_code</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// 获取当前默认的响应状态码
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var_dump(http_response_code());
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// 设置状态码
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var_dump(http_response_code(201));
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// 获取新的状态码
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var_dump(http_response_code());
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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bool(false)
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bool(true)
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int(201)
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]]>
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</screen>
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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>header</function></member>
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<member><function>headers_list</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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