(PHP 5 <= 5.3.0, PECL ming SVN)
SWFShape::drawArc — Draws an arc of radius r centered at the current location, from angle startAngle to angle endAngle measured clockwise from 12 o'clock
$r
   , float $startAngle
   , float $endAngle
   )This function is currently not documented; only its argument list is available.
No value is returned.