mirror of
https://github.com/php/doc-zh.git
synced 2026-03-24 15:12:20 +01:00
108 lines
3.3 KiB
XML
108 lines
3.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
|
||
<!-- $Revision$ -->
|
||
<!-- EN-Revision: 3a8c3e77df070a046c9d5b56b68926ca2d7e5ee3 Maintainer: duanxiaoqiang Status: ready -->
|
||
<!-- CREDITS: mowangjuanzi, Luffy -->
|
||
<refentry xml:id="datetimezone.getoffset" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
|
||
<refnamediv>
|
||
<refname>DateTimeZone::getOffset</refname>
|
||
<refname>timezone_offset_get</refname>
|
||
<refpurpose>返回相对于 GMT 的时差</refpurpose>
|
||
</refnamediv>
|
||
<refsect1 role="description">
|
||
&reftitle.description;
|
||
<para>&style.oop;</para>
|
||
<methodsynopsis role="DateTimeZone">
|
||
<modifier>public</modifier> <type>int</type><methodname>DateTimeZone::getOffset</methodname>
|
||
<methodparam><type>DateTimeInterface</type><parameter>datetime</parameter></methodparam>
|
||
</methodsynopsis>
|
||
<para>&style.procedural;</para>
|
||
<methodsynopsis>
|
||
<type>int</type><methodname>timezone_offset_get</methodname>
|
||
<methodparam><type>DateTimeZone</type><parameter>object</parameter></methodparam>
|
||
<methodparam><type>DateTimeInterface</type><parameter>datetime</parameter></methodparam>
|
||
</methodsynopsis>
|
||
<para>
|
||
该函数返回参数 <parameter>datetime</parameter> 中指定的日期/时间相对于 GMT
|
||
的时差。GMT 时差是通过 DateTimeZone 对象的时区信息计算出来的。
|
||
</para>
|
||
</refsect1>
|
||
|
||
<refsect1 role="parameters">
|
||
&reftitle.parameters;
|
||
<para>
|
||
<variablelist>
|
||
&date.datetimezone.description;
|
||
<varlistentry>
|
||
<term><parameter>datetime</parameter></term>
|
||
<listitem>
|
||
<para>
|
||
用来计算时差的 DateTime,其包含日期/时间。
|
||
</para>
|
||
</listitem>
|
||
</varlistentry>
|
||
</variablelist>
|
||
</para>
|
||
</refsect1>
|
||
|
||
<refsect1 role="returnvalues">
|
||
&reftitle.returnvalues;
|
||
<para>
|
||
成功时返回精确到秒的时差,&return.falseforfailure;。
|
||
</para>
|
||
</refsect1>
|
||
|
||
<refsect1 role="examples">
|
||
&reftitle.examples;
|
||
<para>
|
||
<example>
|
||
<title><function>DateTimeZone::getOffset</function> 示例</title>
|
||
<programlisting role="php">
|
||
<![CDATA[
|
||
<?php
|
||
// 创建两个时区对象,分别是台北(台湾)和东京(日本)
|
||
$dateTimeZoneTaipei = new DateTimeZone("Asia/Taipei");
|
||
$dateTimeZoneJapan = new DateTimeZone("Asia/Tokyo");
|
||
|
||
// 创建两个包含相同 Unix 时间戳的 DateTime 对象。区别是对应的时区不同。
|
||
$dateTimeTaipei = new DateTime("now", $dateTimeZoneTaipei);
|
||
$dateTimeJapan = new DateTime("now", $dateTimeZoneJapan);
|
||
|
||
// 计算包含日期/时间的 $dateTimeTaipei 对象与时区规则定义为东京的 $dateTimeZoneJapan 对象的 GMT 时差
|
||
$timeOffset = $dateTimeZoneJapan->getOffset($dateTimeTaipei);
|
||
|
||
// 应该展示 int(32400)(Sat Sep 8 01:00:00 1951 JST 之后的日期)。
|
||
var_dump($timeOffset);
|
||
]]>
|
||
</programlisting>
|
||
&example.outputs;
|
||
<screen>
|
||
<![CDATA[
|
||
int(32400)
|
||
]]>
|
||
</screen>
|
||
</example>
|
||
</para>
|
||
</refsect1>
|
||
|
||
</refentry>
|
||
<!-- Keep this comment at the end of the file
|
||
Local variables:
|
||
mode: sgml
|
||
sgml-omittag:t
|
||
sgml-shorttag:t
|
||
sgml-minimize-attributes:nil
|
||
sgml-always-quote-attributes:t
|
||
sgml-indent-step:1
|
||
sgml-indent-data:t
|
||
indent-tabs-mode:nil
|
||
sgml-parent-document:nil
|
||
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
|
||
sgml-exposed-tags:nil
|
||
sgml-local-catalogs:nil
|
||
sgml-local-ecat-files:nil
|
||
End:
|
||
vim600: syn=xml fen fdm=syntax fdl=2 si
|
||
vim: et tw=78 syn=sgml
|
||
vi: ts=1 sw=1
|
||
-->
|