public function setOption($sOption, $mValue)
    {
        $this->aCustomOptions[$sOption] = $mValue;
        $this->oDomPdf->set_option($sOption, $mValue);
        return $this;
    }
public function setOption($sOption, $mValue)
    {
        $this->aCustomOptions[$sOption] = $mValue;
        $this->oDomPdf->set_option($sOption, $mValue);
        return $this;
    }
public function setOption ( $ sOption , $ mValue ) { $ this -> aCustomOptions [ $ sOption ] = $ mValue ; $ this -> oDomPdf -> set_option ( $ sOption , $ mValue ) ; return $ this ; }
Defines a DomPDF constant, if not already defined

@param  string $sOption The name of the option
@param  string $mValue  The value to give the option

@return $this;
Defines a DomPDF constant if not already defined