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<?php
/*
This code is part of FusionDirectory (http://www.fusiondirectory.org/)
Copyright (C) 2003-2010 Cajus Pollmeier
Copyright (C) 2011-2013 FusionDirectory
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*!
* \file class_timezone.inc
* Source code for class timezone
*/
/*!
* \brief This class contains all the function needed to manage the
* timezones
*/
class timezone {
/*
* \brief This function returns the offset for the default timezone.
*
* \param $stamp is used to detect summer or winter time.
* In case of PHP5, the integrated timezone functions are used.
*/
static public function get_default_timezone($stamp = NULL)
{
global $config;
$tz = "";
/* Default return value if zone could not be detected */
$zone = array("name" => "unconfigured", "value" => 0);
/* Use current timestamp if $stamp is not set */
if ($stamp === NULL) {
$stamp = time();
}
/* Is there a timezone configured in the fusiondirectory configuration (fusiondirectory.conf) */
if ($config->get_cfg_value("timezone") != "") {
/* Get zonename */
$tz = $config->get_cfg_value("timezone");
if (!@date_default_timezone_set($tz)) {
msg_dialog::display(_("Configuration error"), sprintf(_("The timezone setting '%s' in your fusiondirectory.conf is not valid. Cannot calculate correct timezone offset."), $tz), ERROR_DIALOG);
}
$tz_delta = date("Z", $stamp);
$tz_delta = $tz_delta / 3600;
return array("name" => $tz, "value" => $tz_delta);
}
return $zone;
}
/*
* \brief Get the time zone informations
*
* \return Time zone informations
*/
static public function _get_tz_zones()
{
return DateTimeZone::listIdentifiers();
}
}
?>
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