SetDrawBrokenLines — Sets whether lines should be broken at missing data
$plot->SetDrawBrokenLines($bl
)
SetDrawBrokenLines
determines how to plot lines with
missing data points (that is, missing Y values). By default, PHPlot will
act as if the point does not exist, connecting the points before and after
the missing datum in the usual way. Use SetDrawBrokenLines to leave a gap
between the points before and after missing data instead.
This only applies to 'lines' and 'squared' plot types.