private static function extraDeliveryDate($value)
{
$valueDate = self::getFormattedDate('Y-m-d', $value);
if (self::$_extraDeliveryDates == null) {
self::$_extraDeliveryDates = array();
preg_replace_callback('#([0-9]+)[-/]([0-9]+)[-/]([0-9]+)#', array('plgHikashopBFOrderDeliveryDate', 'parseExtraDeliveryDates'), trim(self::$_params->get('extradays')));
}
if (!empty(self::$_extraDeliveryDates)) {
foreach (self::$_extraDeliveryDates as $extraDeliveryDate) {
if ($extraDeliveryDate == $valueDate) {
return true;
}
}
}
return false;
}
