Imagick
PHP Manual

Imagick::getImageMatte

(PECL imagick 2.0.0)

Imagick::getImageMatteReturn if the image has a matte channel

Description

bool Imagick::getImageMatte ( void )

Returns TRUE if the image has a matte channel otherwise false. This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.

Return Values

Returns TRUE on success.


Imagick
PHP Manual