SetLineWidths
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## SetLineWidths

SetLineWidths — Set line width (thickness) for each data set

## Synopsis

    $plot->SetLineWidths($lw)

## Description

`SetLineWidths` sets the desired line width to be used when plotting each data set.

## Parameters

`$lw`

  An array of line widths in pixels, one for each data set to be plotted. Or, a single value to be used for all data sets.

## Notes

If an array is used for `$lw`, it must use zero based sequential integer indexes. This is what the PHP manual calls 'the usual integer indices (starting from zero, increasing by one)'.

By default, all data set plot lines are 1 pixel wide.

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