(PECL imagick 2.0.0)
ImagickPixelIterator::getNextIteratorRow — Returns the next row of the pixel iterator
本函数还未编写文档，仅有参数列表。
Returns the next row as an array of pixel wands from the pixel iterator.
Returns the next row as an array of ImagickPixel objects, throwing ImagickPixelIteratorException on error.