/
construct.xml
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construct.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="datetime.construct" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>DateTime::__construct</refname>
<refname>date_create</refname>
<refpurpose>Returns new DateTime object</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>&style.oop;</para>
<constructorsynopsis>
<modifier>public</modifier> <methodname>DateTime::__construct</methodname>
<methodparam choice="opt"><type>string</type><parameter>datetime</parameter><initializer>"now"</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>DateTimeZone</type><type>null</type></type><parameter>timezone</parameter><initializer>&null;</initializer></methodparam>
</constructorsynopsis>
<para>&style.procedural;</para>
<methodsynopsis role="procedural">
<type class="union"><type>DateTime</type><type>false</type></type><methodname>date_create</methodname>
<methodparam choice="opt"><type>string</type><parameter>datetime</parameter><initializer>"now"</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>DateTimeZone</type><type>null</type></type><parameter>timezone</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
Returns new DateTime object.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>datetime</parameter></term>
<listitem>
<para>&date.formats.parameter;</para>
<para>
Enter <literal>"now"</literal> here to obtain the current time when using
the <parameter>$timezone</parameter> parameter.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>timezone</parameter></term>
<listitem>
<para>
A <classname>DateTimeZone</classname> object representing the
timezone of <parameter>$datetime</parameter>.
</para>
<para>
If <parameter>$timezone</parameter> is omitted or &null;,
the current timezone will be used.
</para>
<note>
<para>
The <parameter>$timezone</parameter> parameter
and the current timezone are ignored when the
<parameter>$datetime</parameter> parameter either
is a UNIX timestamp (e.g. <literal>@946684800</literal>)
or specifies a timezone
(e.g. <literal>2010-01-28T15:00:00+02:00</literal>).
</para>
</note>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a new DateTime instance.
&return.falseforfailure.style.procedural;
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<para>
Emits <classname>Exception</classname> in case of an error.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>7.1.0</entry>
<entry>From now on microseconds are filled with actual value. Not with '00000'.</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>DateTime::__construct</function> example</title>
<para>&style.oop;</para>
<programlisting role="php">
<![CDATA[
<?php
try {
$date = new DateTime('2000-01-01');
} catch (Exception $e) {
echo $e->getMessage();
exit(1);
}
echo $date->format('Y-m-d');
?>
]]>
</programlisting>
<para>&style.procedural;</para>
<programlisting role="php">
<![CDATA[
<?php
$date = date_create('2000-01-01');
if (!$date) {
$e = date_get_last_errors();
foreach ($e['errors'] as $error) {
echo "$error\n";
}
exit(1);
}
echo date_format($date, 'Y-m-d');
?>
]]>
</programlisting>
&examples.outputs;
<screen>
<![CDATA[
2000-01-01
]]>
</screen>
</example>
<example>
<title>Intricacies of <function>DateTime::__construct</function></title>
<programlisting role="php">
<![CDATA[
<?php
// Specified date/time in your computer's time zone.
$date = new DateTime('2000-01-01');
echo $date->format('Y-m-d H:i:sP') . "\n";
// Specified date/time in the specified time zone.
$date = new DateTime('2000-01-01', new DateTimeZone('Pacific/Nauru'));
echo $date->format('Y-m-d H:i:sP') . "\n";
// Current date/time in your computer's time zone.
$date = new DateTime();
echo $date->format('Y-m-d H:i:sP') . "\n";
// Current date/time in the specified time zone.
$date = new DateTime(null, new DateTimeZone('Pacific/Nauru'));
echo $date->format('Y-m-d H:i:sP') . "\n";
// Using a UNIX timestamp. Notice the result is in the UTC time zone.
$date = new DateTime('@946684800');
echo $date->format('Y-m-d H:i:sP') . "\n";
// Non-existent values roll over.
$date = new DateTime('2000-02-30');
echo $date->format('Y-m-d H:i:sP') . "\n";
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
2000-01-01 00:00:00-05:00
2000-01-01 00:00:00+12:00
2010-04-24 10:24:16-04:00
2010-04-25 02:24:16+12:00
2000-01-01 00:00:00+00:00
2000-03-01 00:00:00-05:00
]]>
</screen>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member><function>DateTime::createFromFormat</function></member>
<member><function>DateTimeZone::__construct</function></member>
<member><link linkend="datetime.formats">Date and Time Formats</link></member>
<member><link linkend="ini.date.timezone">date.timezone</link> ini setting</member>
<member><function>date_default_timezone_set</function></member>
<member><function>DateTime::getLastErrors</function></member>
<member><function>checkdate</function></member>
</simplelist>
</refsect1>
</refentry>
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