Time and date in PHP

<?php
/**
 * This is a quick demonstration of getting the current time with PHP
 * using the built-in APIs. Simple.
 *
 * @author: Shaun B
 * @date: 2012-10-23
 **/
  $timeZone = date_default_timezone_get();
  if( $timeZone != 'Europe/London' ) {
      // Set your own time zone if needed...
      date_default_timezone_set('Europe/London');
  }
  $timeStamp = strtotime('now');
  echo $timeStamp . ' becomes ' . date('l dS \o\f F Y h:i:s A', $timeStamp)
       . ' when converted to Human. <br />';
?>