(PECL gmagick >= Unknown)
Gmagick::getimageextrema — Gets the extrema for the image
Returns an associative array with the keys "min" and "max". 錯誤時(shí)拋出 GmagickException。
此函數沒(méi)有參數。
Returns an associative array with the keys "min" and "max".
錯誤時(shí)拋出 GmagickException。