public function isAries()
    {
        return ($this->month === self::MONTH_MARCH) && ($this->day >= 21) && ($this->day <= 31) || ($this->month === self::MONTH_APRIL) && ($this->day <= 20);
    }
public function isAries()
    {
        return ($this->month === self::MONTH_MARCH) && ($this->day >= 21) && ($this->day <= 31) || ($this->month === self::MONTH_APRIL) && ($this->day <= 20);
    }
public function isAries ( ) { return ( $ this -> month === self :: MONTH_MARCH ) && ( $ this -> day >= 21 ) && ( $ this -> day <= 31 ) || ( $ this -> month === self :: MONTH_APRIL ) && ( $ this -> day <= 20 ) ; }
Checks whether the sign is Aries

@return boolean
Checks whether the sign is Aries