php-doc-en/reference/datetime/datetimeinterface/gettimestamp.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<refentry xml:id="datetime.gettimestamp" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>DateTime::getTimestamp</refname>
  <refname>DateTimeImmutable::getTimestamp</refname>
  <refname>DateTimeInterface::getTimestamp</refname>
  <refname>date_timestamp_get</refname>
  <refpurpose>Gets the Unix timestamp</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <para>&style.oop;</para>
  <methodsynopsis role="oop">
   <modifier>public</modifier> <type>int</type><methodname>DateTime::getTimestamp</methodname>
   <void />
  </methodsynopsis>
  <methodsynopsis role="DateTimeImmutable">
   <modifier>public</modifier> <type>int</type><methodname>DateTimeImmutable::getTimestamp</methodname>
   <void />
  </methodsynopsis>
  <methodsynopsis role="DateTimeInterface">
   <modifier>public</modifier> <type>int</type><methodname>DateTimeInterface::getTimestamp</methodname>
   <void />
  </methodsynopsis>
  <para>&style.procedural;</para>
  <methodsynopsis role="procedural">
   <type>int</type><methodname>date_timestamp_get</methodname>
   <methodparam><type>DateTimeInterface</type><parameter>object</parameter></methodparam>
  </methodsynopsis>
  <para>
   Gets the Unix timestamp.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the Unix timestamp representing the date.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title><function>DateTime::getTimestamp</function> example</title>
   <para>&style.oop;</para>
   <programlisting role="php">
<![CDATA[
<?php
$date = new DateTime();
echo $date->getTimestamp();
?>
]]>
   </programlisting>
   <para>&style.procedural;</para>
   <programlisting role="php">
<![CDATA[
<?php
$date = date_create();
echo date_timestamp_get($date);
?>
]]>
   </programlisting>
   &examples.outputs.similar;
   <screen>
<![CDATA[
1272509157
]]>
   </screen>
  </example>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <para>
   Using <literal>U</literal> as the parameter to
   <function>DateTime::format</function>
   is an alternative when using PHP 5.2.
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>DateTime::setTimestamp</function></member>
   <member><function>DateTime::format</function></member>
  </simplelist>
 </refsect1>

</refentry>

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