(No version information available, might be only in CVS)
Imagick::swirlImage — Swirls the pixels about the center of the image
此函式目前沒有參考文件;只有引數列表。
本函式是實驗性的。這個函式的行為、名稱、和關於此函式的任何其他文件在未來PHP的發行中可能會在不通知的情況下改變。 使用此函式需自行承擔風險。
Swirls the pixels about the center of the image, where degrees indicates the sweep of the arc through which each pixel is moved. You get a more dramatic effect as the degrees move from 1 to 360.
Returns TRUE on success.