src/PaymentSlip.php
public function setSlipSize($slipWidth, $slipHeight)
    {
        $this->setSlipHeight($slipHeight);
        $this->setSlipWidth($slipWidth);

        return $this;
    }
public function setSlipSize($slipWidth, $slipHeight)
    {
        $this->setSlipHeight($slipHeight);
        $this->setSlipWidth($slipWidth);

        return $this;
    }
public function setSlipSize ( $ slipWidth , $ slipHeight ) { $ this -> setSlipHeight ( $ slipHeight ) ; $ this -> setSlipWidth ( $ slipWidth ) ; return $ this ; }
Set the height & width of the slip

@param float $slipWidth The width of the slip
@param float $slipHeight The height of the slip
@return $this The current instance for a fluent interface.
Set the height & width of the slip