public function setIsBold ( $isBold ) {
        if ( $isBold === true ) {
            $this->_isBold = true;
        } else {
            $this->_isBold = false;
        }
    }
public function setIsBold ( $isBold ) {
        if ( $isBold === true ) {
            $this->_isBold = true;
        } else {
            $this->_isBold = false;
        }
    }
public function setIsBold ( $ isBold ) { if ( $ isBold === true ) { $ this -> _isBold = true ; } else { $ this -> _isBold = false ; } }
Set which is bold

@param bool $isBold
Set which is bold