Header("Content-type: image/gif"); $im = imagecreate(40,22); $black = ImageColorAllocate($im, 0,0,0); $white = ImageColorAllocate($im, 255,255,255); imageline($im, 1, 1, 100, 25, $black); imagestring($im, 3, 6, 5, rand(1000,9999), $white); ImageGif($im);···