(PHP 5 < 5.3.0, PECL ming SVN)
SWFDisplayItem::skewYTo — Sets the Y-skew
$degrees
) : void此函数是实验性的。此函数的表象，包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担 。
swfdisplayitem::skewyto() sets the
y-skew to degrees. For degrees
is 1.0, it means a 45-degree forward slant. More is more upward,
less is more downward.
The object may be a swfshape(), a swfbutton(), a swftext() or a swfsprite() object. It must have been added using the swfmovie::add().
没有返回值。