Creates a rectangle filled with color
in the given
image
starting at point 1 and ending at point 2.
0, 0 is the top left corner of the image.
image
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
x1
x-coordinate for point 1
y1
y-coordinate for point 1
x2
x-coordinate for point 2
y2
y-coordinate for point 2
color
The fill color. A color identifier created with imagecolorallocate()