shogodev / argilla

			throw new InvalidArgumentException('$width and $height must be numeric and greater than zero');

		}

		if (!is_numeric($width) || $width  == 0)

		{

			$width = ( $height * $this->currentDimensions['width'] ) / $this->currentDimensions['height'];

		}

		if (!is_numeric($height) || $height  == 0)

		{

			$width = ( $height * $this->currentDimensions['width'] ) / $this->currentDimensions['height'];

		}

		if (!is_numeric($height) || $height  == 0)

		{

			$height = ( $width * $this->currentDimensions['height'] ) / $this->currentDimensions['width'];

		}

		// make sure we're not exceeding our image size if we're not supposed to

		if ($this->options['resizeUp'] === false)