imagefilter的参数值IMG_FILTER_SELECTIVE_BLUR和IMG_FILTER_GAUSSIAN_BLUR之间的PHP差异

Question

imagefilter的参数IMG_FILTER_GAUSSIAN_BLUR和IMG_FILTER_SELECTIVE_BLUR有什么区别？

Answer 1

两者都是不同的图像滤镜算法

IMG_FILTER_GAUSSIAN_BLUR: Blurs the image using the Gaussian method.

IMG_FILTER_SELECTIVE_BLUR: Blurs the image.

http://www.phpf1.com/manual/imagefilter.html