(PECL gmagick >= Unknown) Gets the horizontal and vertical sampling factor.

(PECL imagick 2.0.0) Removes repeated portions of images to optimize

(PECL gmagick >= Unknown) Sets the normalized value of one of the channels

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Rotate an image with a given angle

(PECL imagick 2.0.0) Sharpens an image bool

(PECL imagick 2.0.0) Returns the size associated with the Imagick object

(PECL imagick 2.0.0) Changes any pixel that matches color with the color defined by fill

(PECL cairo >= 0.1.0) The getExtend purpose

(PECL cairo >= 0.1.0) The getLevels purpose

(PECL imagick 2.0.0) Terminates a clip path definition