Imagick::getImageChannelDepth

(PECL imagick 2.0.0)

Imagick::getImageChannelDepth — Gets the depth for a particular image channel

int Imagick::getImageChannelDepth ( int $channel )

Gets the depth for a particular image channel.

channel: Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. 缺省为Imagick::CHANNEL_DEFAULT. 参考此通道常数列表

成功时返回 TRUE .