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mowangjuanzi
104 lines
2.4 KiB
XML
Executable File
104 lines
2.4 KiB
XML
Executable File
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 3a8c3e77df070a046c9d5b56b68926ca2d7e5ee3 Maintainer: HonestQiao Status: ready -->
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<!-- CREDITS: Luffy, mowangjuanzi -->
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<refentry xml:id="function.time" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>time</refname>
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<refpurpose>返回当前的 Unix 时间戳</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>int</type><methodname>time</methodname>
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<void/>
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</methodsynopsis>
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<para>
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返回自从 Unix 纪元（格林威治时间 1970 年 1 月 1 日 00:00:00）到当前时间的秒数。
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</para>
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<note>
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<para>
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Unix 时间戳不包含任何有关本地时区的信息。建议使用
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<classname>DateTimeImmutable</classname> 类来处理日期和时间信息，
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以避免 Unix 时间戳带来的陷阱。
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</para>
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</note>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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&no.function.parameters;
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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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返回当前时间戳。
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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><function>time</function> 示例</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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echo 'Now: '. time();
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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Now: 1660338149
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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="notes">
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&reftitle.notes;
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<tip>
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<para>
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在 <varname>$_SERVER['REQUEST_TIME']</varname>
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中保存了发起该请求时刻的时间戳。
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</para>
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</tip>
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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><classname>DateTimeImmutable</classname></member>
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<member><function>date</function></member>
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<member><function>microtime</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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