mirror of
https://github.com/php/doc-ja.git
synced 2026-04-26 09:28:10 +02:00
Yoshinari Takaoka
572dc61203
https://github.com/php/doc-en/commit/3a8c3e77df070a046c9d5b56b68926ca2d7e5ee3
235 lines
6.7 KiB
XML
235 lines
6.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 3a8c3e77df070a046c9d5b56b68926ca2d7e5ee3 Maintainer: takagi Status: ready -->
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<!-- Credits: mumumu -->
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<refentry xml:id="datetimezone.gettransitions" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>DateTimeZone::getTransitions</refname>
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<refname>timezone_transitions_get</refname>
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<refpurpose>タイムゾーンの変遷を返す</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<para>&style.oop;</para>
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<methodsynopsis role="DateTimeZone">
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<modifier>public</modifier> <type class="union"><type>array</type><type>false</type></type><methodname>DateTimeZone::getTransitions</methodname>
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<methodparam choice="opt"><type>int</type><parameter>timestampBegin</parameter><initializer><constant>PHP_INT_MIN</constant></initializer></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>timestampEnd</parameter><initializer><constant>PHP_INT_MAX</constant></initializer></methodparam>
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</methodsynopsis>
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<para>&style.procedural;</para>
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<methodsynopsis>
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<type class="union"><type>array</type><type>false</type></type><methodname>timezone_transitions_get</methodname>
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<methodparam><type>DateTimeZone</type><parameter>object</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>timestampBegin</parameter><initializer><constant>PHP_INT_MIN</constant></initializer></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>timestampEnd</parameter><initializer><constant>PHP_INT_MAX</constant></initializer></methodparam>
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</methodsynopsis>
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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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&date.datetimezone.description;
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<varlistentry>
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<term><parameter>timestampBegin</parameter></term>
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<listitem>
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<para>
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開始時のタイムスタンプ。
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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>timestampEnd</parameter></term>
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<listitem>
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<para>
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終了時のタイムスタンプ。
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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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成功した場合にタイムゾーンの遷移を表す、数値インデックスの配列を返します。
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&return.falseforfailure;。
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DateTimeZone オブジェクト の type 1 (UTC オフセット)
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と、type 2 (タイムゾーンの省略形) の場合は、
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タイムゾーンの遷移情報は含まれません。
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その場合にこのメソッドをコールしても &false; を返します。
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</para>
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<para>
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<parameter>timestampBegin</parameter> を指定すると、
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返される配列の最初のエントリに
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<parameter>timestampBegin</parameter> の時点における遷移の情報が含まれるようになります。
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</para>
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<para>
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<table>
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<title>タイムゾーンの遷移を表す配列の構造</title>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>キー</entry>
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<entry>型</entry>
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<entry>説明</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><literal>ts</literal></entry>
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<entry><type>int</type></entry>
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<entry>Unixタイムスタンプ</entry>
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</row>
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<row>
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<entry><literal>time</literal></entry>
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<entry><type>string</type></entry>
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<entry><constant>DateTimeInterface::ISO8601_EXPANDED</constant> (PHP
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8.2 以降) または、<constant>DateTimeInterface::ISO8601</constant> (PHP 8.1 以前) 形式の文字列</entry>
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</row>
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<row>
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<entry><literal>offset</literal></entry>
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<entry><type>int</type></entry>
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<entry>UTC からのオフセット(秒単位)</entry>
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</row>
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<row>
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<entry><literal>isdst</literal></entry>
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<entry><type>bool</type></entry>
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<entry>夏時間が有効かどうか</entry>
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</row>
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<row>
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<entry><literal>abbr</literal></entry>
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<entry><type>string</type></entry>
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<entry>タイムゾーンの省略形</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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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>timezone_transitions_get</function> の例</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$timezone = new DateTimeZone("Europe/London");
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$transitions = $timezone->getTransitions();
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print_r(array_slice($transitions, 0, 3));
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?>
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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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Array
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(
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[0] => Array
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(
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[ts] => -2147483648
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[time] => 1901-12-13T20:45:52+00:00
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[offset] => -75
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[isdst] =>
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[abbr] => LMT
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)
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[1] => Array
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(
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[ts] => 442304971
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[time] => 1847-12-01T00:01:15+00:00
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[offset] => 0
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[isdst] =>
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[abbr] => GMT
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)
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[2] => Array
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(
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[ts] => -1691964000
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[time] => 1916-05-21T02:00:00+00:00
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[offset] => 3600
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[isdst] => 1
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[abbr] => BST
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)
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)
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]]>
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</screen>
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</example>
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<example>
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<title><parameter>timestampBegin</parameter> を設定して <function>timezone_transitions_get</function> を使う例</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$timezone = new DateTimeZone("Europe/London");
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$transitions = $timezone->getTransitions(time());
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print_r(array_slice($transitions, 0, 3));
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?>
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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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Array
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(
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[0] => Array
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(
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[ts] => 1759058251
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[time] => 2025-09-28T11:17:31+00:00
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[offset] => 3600
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[isdst] => 1
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[abbr] => BST
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)
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[1] => Array
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(
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[ts] => 1761440400
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[time] => 2025-10-26T01:00:00+00:00
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[offset] => 0
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[isdst] =>
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[abbr] => GMT
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)
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[2] => Array
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(
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[ts] => 1774746000
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[time] => 2026-03-29T01:00:00+00:00
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[offset] => 3600
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[isdst] => 1
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[abbr] => BST
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)
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)
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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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</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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