(PECL imagick 2, PECL imagick 3)
Imagick::getImageIndex — Gets the index of the current active image
此函數在 Imagick 3.4.4 中被 廢棄，強烈建議不要應用此函數。
Returns the index of the current active image within the Imagick object. This method has been deprecated. See Imagick::getIteratorIndex().
此函數沒(méi)有參數。
Returns an integer containing the index of the image in the stack.
錯誤時(shí)拋出 ImagickException。