PHP 获得日期

<?php
   $date_array = getdate();

   foreach ( $date_array as $key => $val ){
      print "$key = $val<br />";
   }

   $formated_date  = "Today's date: ";
   $formated_date .= $date_array['mday'] . "/";
   $formated_date .= $date_array['mon'] . "/";
   $formated_date .= $date_array['year'];

   print $formated_date;
?>