PHP Manual Function Reference Image Processing and Generation Gmagick Gmagick Gmagick::addnoiseimage Gmagick::addimage Gmagick::annotateimage Gmagick::addnoiseimage (PECL gmagick >= Unknown)Gmagick::addnoiseimage — Adds random noise to the image Description public Gmagick Gmagick::addnoiseimage ( int $NOISE ) Adds random noise to the image. Parameters noise_type The type of the noise. Refer to this list of noise constants. Return Values The Gmagick object with noise added. Errors/Exceptions Throws an GmagickException on error.