<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.time" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>time</refname>
  <refpurpose>Return current Unix timestamp</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>time</methodname>
   <void/>
  </methodsynopsis>
  <para>
   Returns the current time measured in the number of seconds since
   the Unix Epoch (January 1 1970 00:00:00 GMT).
  </para>
  <note>
   <para>
    Unix timestamps do not contain any information with regards to any local
    timezone. It is recommended to use the
    <classname>DateTimeImmutable</classname> class for handling date and time
    information in order to avoid the pitfalls that come with just Unix
    timestamps.
   </para>
  </note>
 </refsect1>

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

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

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>time</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
echo 'Now: '. time();
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
Now: 1660338149
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <tip>
   <para>
    Timestamp of the start of the request is available in
    <varname>$_SERVER['REQUEST_TIME']</varname>.
   </para>
  </tip>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><classname>DateTimeImmutable</classname></member>
    <member><function>date</function></member>
    <member><function>microtime</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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