The Imagick class
PHP Manual

Imagick::setImageChannelDepth

(PECL imagick 2.0.0)

Imagick::setImageChannelDepth — Sets the depth of a particular image channel

Description

bool Imagick::setImageChannelDepth ( int $channel , int $depth )
Warning

This function is currently not documented; only its argument list is available.

Sets the depth of a particular image channel.

Parameters

channel

depth

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.

The Imagick class
PHP Manual