/**
* Custom validation rule for timezone
*
* @param string $rule String of rule name
* @param array $ruleParams Parameter of validation
* @return boolean Success
*
*/
function custom_validation_timezone($rule, $ruleParams)
{
global $_CONF;
require_once $_CONF['path_system'] . 'classes/timezoneconfig.class.php';
$timezones = array_flip(TimeZoneConfig::listAvailableTimeZones());
$ret = false;
if (isset($ruleParams[0]['timezone']) && in_array($ruleParams[0]['timezone'], $timezones)) {
$ret = true;
}
return $ret;
}
/**
* Provide a dropdown menu of the available timezones
*
* @param string $selected (optional) currently selected timezone
* @param array $attributes (optional) extra attributes for select tag
* @return string HTML for the dropdown
* @static
*
*/
public static function getTimeZoneDropDown($selected = '', $attributes = array())
{
$timezones = TimeZoneConfig::listAvailableTimeZones();
$selection = '<select';
foreach ($attributes as $name => $value) {
$selection .= sprintf(' %s="%s"', $name, $value);
}
$selection .= '>' . LB;
foreach ($timezones as $tzid => $tzdisplay) {
$selection .= '<option value="' . $tzid . '"';
if (!empty($selected) && $selected == $tzid) {
$selection .= ' selected="selected"';
}
$selection .= ">{$tzdisplay}</option>" . LB;
}
$selection .= '</select>';
return $selection;
}
/**
* Helper function: Provide timezone dropdown
*
* @return array Array of (timezone-long-name, timezone-short-name) pairs
*
*/
function configmanager_select_timezone_helper()
{
global $_CONF;
require_once $_CONF['path_system'] . 'classes/timezoneconfig.class.php';
return array_flip(TimeZoneConfig::listAvailableTimeZones());
}
