PHP Manual: Sets image alpha channel

Description

public bool Imagick::setImageAlphaChannel(int $mode)

Activate or deactivate image alpha channel. The mode is one of the Imagick::ALPHACHANNEL_* constants. This method is available if Imagick has been compiled against ImageMagick version 6.3.8 or newer.

Parameters

mode: One of the Imagick::ALPHACHANNEL_* constants

Return Values

Returns true on success.

Errors/Exceptions

Throws ImagickException on error.

Imagick::setImageAlphaChannel

Description

Parameters

Return Values

Errors/Exceptions

See Also