imagerectangle
    (PHP 3, PHP 4 )
imagerectangle -- Draw a rectangle
Description
int 
imagerectangle ( resource image, int x1, int y1, int x2, int y2, int col)
     imagerectangle() creates a rectangle of color
     col in image image starting at upper left
     coordinate x1, y1 and ending at bottom right coordinate x2, y2.
     0, 0 is the top left corner of the image.