= 0); $y--) { $p = imagecolorat($im, $x, $y); $level = ($p & 0xff); if ($level < $threshold) { break; } } imageline($im, 0, $y, imagesx($im), $y, $red); imagejpeg($im, 'level.jpg'); $inches = ($bottom - $y) / $perinch; $inches = sprintf("%.02f", $inches); $salt = rand(); file_put_contents('index.html', << How deep is the snow on Jill's bucket?

How deep is the snow on Jill's bucket?

The snow on Jill's bucket is $inches inches deep.

This page will refresh automatically every three minutes.

@tommybgoode coded this.

The webcam is running Flix v. 3.3 and FTPDrive 3.5.

EOM );