(PHP 5 < 5.3.0, PECL ming SVN)
SWFSprite::nextFrame — Moves to the next frame of the animation
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.
swfsprite::setframes() moves to the next frame of the animation.
No value is returned.