Add see also section.

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@298435 c90b9560-bf6c-de11-be94-00142212c4b1

reference/datetime/datetime/construct.xml

@@ -98,6 +98,15 @@ echo $date->format('Y-m-d H:i:sP') . "\n";
   </example>
  </refsect1>
 
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <simplelist>
+   <member><function>DateTime::createFromFormat</function></member>
+   <member><link linkend="ini.date.timezone">date.timezone</link> ini setting</member>
+   <member><function>date_default_timezone_set</function></member>
+  </simplelist>
+ </refsect1>
+
 </refentry>
 
 <!-- Keep this comment at the end of the file