imagesetstyle
Description
bool imagesetstyle ( resource image, array style )imagesetstyle() sets the style to be used by all line drawing functions (such as imageline() and imagepolygon()) when drawing with the special color IMG_COLOR_STYLED or lines of images with color IMG_COLOR_STYLEDBRUSHED.
Parameters
imageAn image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
styleAn array of pixel colors. You can use the IMG_COLOR_TRANSPARENT constant to add a transparent pixel.
Examples
Following example script draws a dashed line from upper left to lower right corner of the canvas:

