mtWeb > Download > Display local time

<?php
/* $Id: localtime.php,v 1.1 2002/07/29 23:32:41 shaggy Exp $ */

/*
Copyright (c) 2001, 2002 by Martin Tsachev. All rights reserved.
mailto:martin@f2o.org
http://martin.f2o.org

Redistribution and use in source and binary forms,
with or without modification, are permitted provided
that the conditions available at
http://www.opensource.org/licenses/bsd-license.html
are met.
*/

// you can start the session in the calling page too
session_start();


function set_timezone($offset) {
    if ($offset) {
        $offset = -$offset;
        $_SESSION['GMT_offset'] = 60 * $offset;
        $GMT_offset_str = ( $offset > 0 ) ? '+' : '-';
        $GMT_offset_str .= floor($offset / 60) . ':';
        $GMT_offset_str .= (($offset % 60) < 10 ) ? '0' . $offset % 60 : $offset % 60;
        $_SESSION['GMT_offset_str'] = $GMT_offset_str;
    }
}


function format_datetime($date) {
        return (date('j M Y g:ia', $date + $_SESSION['GMT_offset']) . ' GMT ' . $_SESSION['GMT_offset_str']);
}


function format_date($date) {
    return date('j M Y', $date);
}


/////////////////////////////////////////////////////////////////////////////////////


if (!isset($_SESSION['GMT_offset']) ) {
    $_SESSION['GMT_offset'] = 0;
    $_SESSION['GMT_offset_str'] = '';
}


if (isset($_GET['offset']) ) {
    $_SESSION['offset'] = $_GET['offset'];
    set_timezone($_GET['offset']);
}




if ( !isset($_SESSION['offset']) ) {
?>
  <script type="text/javascript">
  window.onload = setLinks

  function setLinks() {
    now = new Date()
    offset = now.getTimezoneOffset();

    for ( i = 0; document.links.length > i; i++ ) {
      with ( document.links[i] ) {
        if ( href.indexOf('http://martin.f2o.org') == 0 ) {
          if ( href.indexOf('?') == -1 ) {
            href += '?offset=' + offset;
          } else {
            href += ';offset=' + offset;
          }
        }
      }
    }
  }
  </script>

<?php
}

?>