(PECL gmagick >= Unknown)
Gmagick::radialblurimage — Radial blurs an image
$angle
   [, int $channel = Gmagick::CHANNEL_DEFAULT
  ] )Radial blurs an image.
angle
     The angle of the blur in degrees.
channel
     Related channel
The Gmagick object on success
Throws an GmagickException on error.