(PHP 4)
swf_shapecurveto — Draw a quadratic bezier curve between two points
$x1
   , float $y1
   , float $x2
   , float $y2
   )Draws a quadratic bezier curve from the current location, though the two given points.
   The current position is then set to the point defined by the
   x2 and y2 parameters.
  
x1x-coordinate of the first point.
y1y-coordinate of the first point.
x2x-coordinate of the second point.
y2y-coordinate of the second point.
No value is returned.