(No version information available, might be only in CVS)
Imagick::getImageChannelStatistics — Returns statistics for each channel in the image
本函数暂无文档,仅有参数列表。
本函数是实验性的。本函数的行为,包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。
Returns statistics for each channel in the image. The statistics incude the channel depth, its minima and maxima, the mean, and the standard deviation. You can access the red channel mean, for example, like this:
Returns TRUE on success.