/
gettransitions.xml
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/
gettransitions.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 02ff7fef5b34cf8f5395180d9d39fb64d9398d00 Maintainer: samesch Status: ready -->
<!-- Reviewed: no -->
<refentry xml:id="datetimezone.gettransitions" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>DateTimeZone::getTransitions</refname>
<refname>timezone_transitions_get</refname>
<refpurpose>Liefert alle Übergänge einer Zeitzone</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>&style.oop;</para>
<methodsynopsis role="DateTimeZone">
<modifier>public</modifier> <type class="union"><type>array</type><type>false</type></type><methodname>DateTimeZone::getTransitions</methodname>
<methodparam choice="opt"><type>int</type><parameter>timestampBegin</parameter><initializer><constant>PHP_INT_MIN</constant></initializer></methodparam>
<methodparam choice="opt"><type>int</type><parameter>timestampEnd</parameter><initializer><constant>PHP_INT_MAX</constant></initializer></methodparam>
</methodsynopsis>
<para>&style.procedural;</para>
<methodsynopsis>
<type class="union"><type>array</type><type>false</type></type><methodname>timezone_transitions_get</methodname>
<methodparam><type>DateTimeZone</type><parameter>object</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>timestampBegin</parameter><initializer><constant>PHP_INT_MIN</constant></initializer></methodparam>
<methodparam choice="opt"><type>int</type><parameter>timestampEnd</parameter><initializer><constant>PHP_INT_MAX</constant></initializer></methodparam>
</methodsynopsis>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&date.datetimezone.description;
<varlistentry>
<term><parameter>timestampBegin</parameter></term>
<listitem>
<para>
Der Zeitstempel des Beginns
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>timestampEnd</parameter></term>
<listitem>
<para>
Der Zeitstempel des Endes
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Gibt bei Erfolg ein numerisch indiziertes Array von Übergangs-Arrays
zurück. &return.falseforfailure; DateTimeZone-Objekte des Typs 1
(UTC-Offsets) und des Typs 2 (Abkürzungen) enthalten keine Übergänge und
der Aufruf dieser Methode für sie gibt &false; zurück.
</para>
<para>
Wenn <parameter>timestampBegin</parameter> angegeben wird, enthält der
erste Eintrag im zurückgegebenen Array Informationen über den Übergang zum
Zeitpunkt <parameter>timestampBegin</parameter>.
</para>
<para>
<table>
<title>Array-Struktur der Übergänge</title>
<tgroup cols="2">
<thead>
<row>
<entry>Schlüssel</entry>
<entry>Typ</entry>
<entry>Beschreibung</entry>
</row>
</thead>
<tbody>
<row>
<entry><literal>ts</literal></entry>
<entry><type>int</type></entry>
<entry>Unix-Zeitstempel</entry>
</row>
<row>
<entry><literal>time</literal></entry>
<entry><type>string</type></entry>
<entry>Zeichenkette im Format
<constant>DateTimeInterface::ISO8601_EXPANDED</constant> (ab PHP 8.2)
oder <constant>DateTimeInterface::ISO8601</constant> (bis
einschließlich PHP 8.1)</entry>
</row>
<row>
<entry><literal>offset</literal></entry>
<entry><type>int</type></entry>
<entry>Abweichung von der UTC in Sekunden</entry>
</row>
<row>
<entry><literal>isdst</literal></entry>
<entry><type>bool</type></entry>
<entry>Gibt an, ob es eine Sommerzeit gibt</entry>
</row>
<row>
<entry><literal>abbr</literal></entry>
<entry><type>string</type></entry>
<entry>Kurzbezeichnung der Zeitzone</entry>
</row>
</tbody>
</tgroup>
</table>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>timezone_transitions_get</function>-Beispiel</title>
<programlisting role="php">
<![CDATA[
<?php
$timezone = new DateTimeZone("Europe/London");
$transitions = $timezone->getTransitions();
print_r(array_slice($transitions, 0, 3));
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Array
(
[0] => Array
(
[ts] => -9223372036854775808
[time] => -292277022657-01-27T08:29:52+0000
[offset] => 3600
[isdst] => 1
[abbr] => BST
)
[1] => Array
(
[ts] => -1691964000
[time] => 1916-05-21T02:00:00+0000
[offset] => 3600
[isdst] => 1
[abbr] => BST
)
[2] => Array
(
[ts] => -1680472800
[time] => 1916-10-01T02:00:00+0000
[offset] => 0
[isdst] =>
[abbr] => GMT
)
)
]]>
</screen>
</example>
<example>
<title><function>timezone_transitions_get</function>-Beispiel mit gesetztem <parameter>timestampBegin</parameter></title>
<programlisting role="php">
<![CDATA[
<?php
$timezone = new DateTimeZone("Europe/London");
$transitions = $timezone->getTransitions(time());
print_r(array_slice($transitions, 0, 3));
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Array
(
[0] => Array
(
[ts] => 1654184161
[time] => 2022-06-02T15:36:01+0000
[offset] => 3600
[isdst] => 1
[abbr] => BST
)
[1] => Array
(
[ts] => 1667091600
[time] => 2022-10-30T01:00:00+0000
[offset] => 0
[isdst] =>
[abbr] => GMT
)
[2] => Array
(
[ts] => 1679792400
[time] => 2023-03-26T01:00:00+0000
[offset] => 3600
[isdst] => 1
[abbr] => BST
)
)
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
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