set_url('/admin/timezone.php');
$PAGE->set_context(context_system::instance());
require_login();
require_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM));
$strtimezone = get_string("timezone");
$strsavechanges = get_string("savechanges");
$strusers = get_string("users");
$strall = get_string("all");
$PAGE->set_title($strtimezone);
$PAGE->set_heading($strtimezone);
$PAGE->navbar->add($strtimezone);
echo $OUTPUT->header();
echo $OUTPUT->heading("");
if (data_submitted() and !empty($zone) and confirm_sesskey()) {
echo "";
$DB->execute("UPDATE {user} SET timezone = ?", array($zone));
echo "";
$USER->timezone = $zone;
$current = $zone;
echo $OUTPUT->notification('Timezone of all users changed', 'notifysuccess');
} else {
$current = 99;
}
require_once($CFG->dirroot.'/calendar/lib.php');
$timezones = get_list_of_timezones();
echo '";
echo $OUTPUT->footer();