<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Whether the objectʼs time is in Daylight Savings Time</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="intlcalendar.getweekendtransition.html">IntlCalendar::getWeekendTransition</a></div>
<div class="next" style="text-align: right; float: right;"><a href="intlcalendar.isequivalentto.html">IntlCalendar::isEquivalentTo</a></div>
<div class="up"><a href="class.intlcalendar.html">IntlCalendar</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="intlcalendar.indaylighttime" class="refentry">
<div class="refnamediv">
<h1 class="refname">IntlCalendar::inDaylightTime</h1>
<p class="verinfo">(PHP 5.5.0, PECL >= 3.0.0a1)</p><p class="refpurpose"><span class="refname">IntlCalendar::inDaylightTime</span> — <span class="dc-title">Whether the objectʼs time is in Daylight Savings Time</span></p>
</div>
<div class="refsect1 description" id="refsect1-intlcalendar.indaylighttime-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><strong>IntlCalendar::inDaylightTime</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
Whether, for the instant represented by this object and for this objectʼs
timezone, daylight saving time is in place.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-intlcalendar.indaylighttime-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-intlcalendar.indaylighttime-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> if the date is in Daylight Savings Time, <strong><code>FALSE</code></strong> otherwise.
The value <strong><code>FALSE</code></strong> may also be returned on failure, for instance after
specifying invalid field values on non-lenient mode; use <a href="intl.configuration.html#ini.intl.use-exceptions" class="link">exceptions</a> or query
<span class="function"><a href="function.intl-get-error-code.html" class="function">intl_get_error_code()</a></span> to disambiguate.
</p>
</div>
<div class="refsect1 examples" id="refsect1-intlcalendar.indaylighttime-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-2615">
<p><strong>Example #1 <span class="function"><strong>IntlCalendar::inDaylightTime()</strong></span></strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">'date.timezone'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Europe/Lisbon'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">'intl.default_locale'</span><span style="color: #007700">, </span><span style="color: #DD0000">'pt_PT'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$cal </span><span style="color: #007700">= new </span><span style="color: #0000BB">IntlGregorianCalendar</span><span style="color: #007700">(</span><span style="color: #0000BB">2013</span><span style="color: #007700">, </span><span style="color: #0000BB">6 </span><span style="color: #FF8000">/* July */</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #0000BB">56</span><span style="color: #007700">, </span><span style="color: #0000BB">31</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$cal</span><span style="color: #007700">-></span><span style="color: #0000BB">inDaylightTime</span><span style="color: #007700">()); </span><span style="color: #FF8000">// true<br /></span><span style="color: #0000BB">$cal</span><span style="color: #007700">-></span><span style="color: #0000BB">set</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlCalendar</span><span style="color: #007700">::</span><span style="color: #0000BB">FIELD_MONTH</span><span style="color: #007700">, </span><span style="color: #0000BB">11 </span><span style="color: #FF8000">/* December */</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$cal</span><span style="color: #007700">-></span><span style="color: #0000BB">inDaylightTime</span><span style="color: #007700">()); </span><span style="color: #FF8000">// false<br /><br />//DST end transition on 2013-10-27 at 0200 (wall time back 1 hour)<br /></span><span style="color: #0000BB">$cal </span><span style="color: #007700">= new </span><span style="color: #0000BB">IntlGregorianCalendar</span><span style="color: #007700">(</span><span style="color: #0000BB">2013</span><span style="color: #007700">, </span><span style="color: #0000BB">9 </span><span style="color: #FF8000">/* October */</span><span style="color: #007700">, </span><span style="color: #0000BB">27</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">30</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$cal</span><span style="color: #007700">-></span><span style="color: #0000BB">inDaylightTime</span><span style="color: #007700">()); </span><span style="color: #FF8000">// false (default WALLTIME_LAST)<br /><br /></span><span style="color: #0000BB">$cal</span><span style="color: #007700">-></span><span style="color: #0000BB">setRepeatedWallTimeOption</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlCalendar</span><span style="color: #007700">::</span><span style="color: #0000BB">WALLTIME_FIRST</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$cal</span><span style="color: #007700">-></span><span style="color: #0000BB">set</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlCalendar</span><span style="color: #007700">::</span><span style="color: #0000BB">FIELD_HOUR_OF_DAY</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">); </span><span style="color: #FF8000">// force time recalculation<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$cal</span><span style="color: #007700">-></span><span style="color: #0000BB">inDaylightTime</span><span style="color: #007700">()); </span><span style="color: #FF8000">// true</span>
</span>
</code></div>
</div>
</div>
</p>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="intlcalendar.getweekendtransition.html">IntlCalendar::getWeekendTransition</a></div>
<div class="next" style="text-align: right; float: right;"><a href="intlcalendar.isequivalentto.html">IntlCalendar::isEquivalentTo</a></div>
<div class="up"><a href="class.intlcalendar.html">IntlCalendar</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
