public static function getStates()
    {
        return array(
            self::STATE_SENT,
            self::STATE_ACCEPTED,
            self::STATE_REJECTED,
            self::STATE_DELIVERED,
            self::STATE_FAILED,
        );
    }
public static function getStates()
    {
        return array(
            self::STATE_SENT,
            self::STATE_ACCEPTED,
            self::STATE_REJECTED,
            self::STATE_DELIVERED,
            self::STATE_FAILED,
        );
    }
public static function getStates ( ) { return array ( self :: STATE_SENT , self :: STATE_ACCEPTED , self :: STATE_REJECTED , self :: STATE_DELIVERED , self :: STATE_FAILED , ) ; }
Gets all the states

@return array
Gets all the states