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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<section xml:id="datetime.configuration" xmlns="http://docbook.org/ns/docbook">
&reftitle.runtime;
&extension.runtime;
<para>
<table>
<title>Date/Time Configuration Options</title>
<tgroup cols="4">
<thead>
<row>
<entry>&Name;</entry>
<entry>&Default;</entry>
<entry>&Changeable;</entry>
<entry>&Changelog;</entry>
</row>
</thead>
<tbody xml:id="datetime.configuration.list">
<row>
<entry><link linkend="ini.date.default-latitude">date.default_latitude</link></entry>
<entry>"31.7667"</entry>
<entry><constant>INI_ALL</constant></entry>
<entry></entry>
</row>
<row>
<entry><link linkend="ini.date.default-longitude">date.default_longitude</link></entry>
<entry>"35.2333"</entry>
<entry><constant>INI_ALL</constant></entry>
<entry></entry>
</row>
<row>
<entry><link linkend="ini.date.sunrise-zenith">date.sunrise_zenith</link></entry>
<entry>"90.833333"</entry>
<entry><constant>INI_ALL</constant></entry>
<entry>Prior to PHP 8.0.0, the default was "90.583333"</entry>
</row>
<row>
<entry><link linkend="ini.date.sunset-zenith">date.sunset_zenith</link></entry>
<entry>"90.833333"</entry>
<entry><constant>INI_ALL</constant></entry>
<entry>Prior to PHP 8.0.0, the default was "90.583333"</entry>
</row>
<row>
<entry><link linkend="ini.date.timezone">date.timezone</link></entry>
<entry>"UTC"</entry>
<entry><constant>INI_ALL</constant></entry>
<entry>From PHP 8.2, a warning is emitted when setting this to an invalid
value or an empty string.</entry>
</row>
</tbody>
</tgroup>
</table>
&ini.php.constants;
</para>
&ini.descriptions.title;
<para>
<variablelist>
<varlistentry xml:id="ini.date.default-latitude">
<term>
<parameter>date.default_latitude</parameter>
<type>float</type>
</term>
<listitem>
<para>
The default latitude
ranging from <literal>0</literal> at the equator,
to <literal>+90</literal> northward, and <literal>-90</literal> southward.
</para>
</listitem>
</varlistentry>
<varlistentry xml:id="ini.date.default-longitude">
<term>
<parameter>date.default_longitude</parameter>
<type>float</type>
</term>
<listitem>
<para>
The default longitude
ranging from <literal>0</literal> at the prime meridian
to <literal>+180</literal> eastward and <literal>−180</literal> westward.
</para>
</listitem>
</varlistentry>
<varlistentry xml:id="ini.date.sunrise-zenith">
<term>
<parameter>date.sunrise_zenith</parameter>
<type>float</type>
</term>
<listitem>
<para>
The default sunrise zenith.
</para>
<para>
The default value is 90°50'. The additional 50' is due to two
components: the Sun's radius, which is 16', and the atmospheric
refraction, which is 34'.
</para>
</listitem>
</varlistentry>
<varlistentry xml:id="ini.date.sunset-zenith">
<term>
<parameter>date.sunset_zenith</parameter>
<type>float</type>
</term>
<listitem>
<para>
The default sunset zenith.
</para>
</listitem>
</varlistentry>
<varlistentry xml:id="ini.date.timezone">
<term>
<parameter>date.timezone</parameter>
<type>string</type>
</term>
<listitem>
<para>
The default timezone used by all date/time functions.
The precedence order for which timezone is used if none
is explicitly mentioned is described in the
<function>date_default_timezone_get</function> page. See <xref
linkend="timezones"/> for a list of supported timezones.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
<note>
<simpara>
The first four configuration options are currently only used by
<function>date_sunrise</function> and <function>date_sunset</function>.
</simpara>
</note>
</section>
<!-- 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
-->
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