(PHP 4 >= 4.0.6)
ImageSetThickness -- Set the thickness for line drawing
Description
void imagesetthickness (resource im, int thickness)
ImageSetThickness() sets the thickness of the lines
drawn when drawing rectangles, polygons, ellipses etc. etc. to
thickness pixels.
Note: This function was added in PHP 4.0.6 and requires GD 2.0.1 or later