php-doc-en/reference/intl/dateformatter/settimezone.xml

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<refentry xml:id="intldateformatter.settimezone" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>IntlDateFormatter::setTimeZone</refname>
  <refname>datefmt_set_timezone</refname>
  <refpurpose>Sets formatterʼs timezone</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <para>
   &style.oop;
  </para>
  <methodsynopsis>
   <modifier>public</modifier> 
   <type>bool</type>
   <methodname>IntlDateFormatter::setTimeZone</methodname>
   <methodparam><type>mixed</type><parameter>zone</parameter></methodparam>
  </methodsynopsis>
  <para>
   &style.procedural;
  </para>
  <methodsynopsis>
   <type>bool</type>
   <methodname>datefmt_set_timezone</methodname>
   <methodparam><type>IntlDateFormatter</type><parameter>fmt</parameter></methodparam>
   <methodparam><type>mixed</type><parameter>zone</parameter></methodparam>
  </methodsynopsis>

  <para>
   Sets the timezone used for the IntlDateFormatter.
   object.
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>fmt</parameter></term>
    <listitem>
     <para>
    The formatter resource.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>zone</parameter></term>
    <listitem>
     <para>
      The timezone to use for this formatter. This can be specified in the
      following forms:
     </para>
     &reference.intl.inctimezoneparam;
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns &true; on success and &false; on failure.
  </para>
 </refsect1>


 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
   <title><function>IntlDateFormatter::setTimeZone</function> examples</title>
    <programlisting role="php">
<![CDATA[
<?php
ini_set('date.timezone', 'Europe/Amsterdam');

$formatter = IntlDateFormatter::create(NULL, NULL, NULL, "UTC");

$formatter->setTimeZone(NULL);
echo "NULL\n    ", $formatter->getTimeZone()->getId(), "\n";

$formatter->setTimeZone(IntlTimeZone::createTimeZone('Europe/Lisbon'));
echo "IntlTimeZone\n    ", $formatter->getTimeZone()->getId(), "\n";

$formatter->setTimeZone(new DateTimeZone('Europe/Paris'));
echo "DateTimeZone\n    ", $formatter->getTimeZone()->getId(), "\n";

$formatter->setTimeZone('Europe/Rome');
echo "String\n    ", $formatter->getTimeZone()->getId(), "\n";

$formatter->setTimeZone('GMT+00:30');
print_r($formatter->getTimeZone());

]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
NULL
    Europe/Amsterdam
IntlTimeZone
    Europe/Lisbon
DateTimeZone
    Europe/Paris
String
    Europe/Rome
IntlTimeZone Object
(
    [valid] => 1
    [id] => GMT+00:30
    [rawOffset] => 1800000
    [currentOffset] => 1800000
)

]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>IntlDateFormatter::getTimeZone</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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