SpikeZ | 
07 10th, 2008| 
Need a quick and dirty captcha?
session_start();
$str = str_shuffle(‘abcdefghijklmnopqrstuvwxyz0123456789′);
$substr = substr($str, 0, 6);
$im = imagecreate(60, 25);
// white background and blue text
$bg = imagecolorallocate($im, 255, 255, 255);
$textcolor = imagecolorallocate($im, 0, 0, 0);
[...]