# Imagick::getImageChannelDepth

(PECL imagick 2, PECL imagick 3)

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

### 说明

public Imagick::getImageChannelDepth(int `$channel`): int

Gets the depth for a particular image channel.

### 参数

`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

### 返回值

成功时返回 `true`。

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