public function isBasePart($base)
    {
        if (empty($base)) {
            $this->_status &= ~self::STATUS_BASEPART;
        } else {
            $this->_status |= self::STATUS_BASEPART;
        }
    }
public function isBasePart($base)
    {
        if (empty($base)) {
            $this->_status &= ~self::STATUS_BASEPART;
        } else {
            $this->_status |= self::STATUS_BASEPART;
        }
    }
public function isBasePart ( $ base ) { if ( empty ( $ base ) ) { $ this -> _status &= ~ self :: STATUS_BASEPART ; } else { $ this -> _status |= self :: STATUS_BASEPART ; } }
Is this the base MIME part?

@param boolean $base  True if this is the base MIME part.
Is this the base MIME part?