// *** CAPTCHA image generation ***
// *** http://frikk.tk ***
session_start();
// *** Tell the browser what kind of file is come'n at 'em! ***
header("Content-Type: image/jpeg");
// *** Send a generated image to the browser ***
die(create_image());
// *** Function List ***
function create_image()
{
// *** Generate a passcode using md5
// (it will be all lowercase hex letters and numbers ***
$md5 = md5(rand(0,9999));
$pass = substr($md5, 10, 5);
// *** Set the session cookie so we know what the passcode is ***
$_SESSION["pass"] = $pass;
// *** Create the image resource ***
$image = ImageCreatetruecolor(100, 20);
// *** We are making two colors, white and black ***
$clr_white = ImageColorAllocate($image, 255, 255, 255);
$clr_black = ImageColorAllocate($image, 0, 0, 0);
// *** Make the background black ***
imagefill($image, 0, 0, $clr_black);
// *** Set the image height and width ***
imagefontheight(15);
imagefontwidth(15);
// *** Add the passcode in white to the image ***
imagestring($image, 5, 30, 3, $pass, $clr_white);
// *** Throw in some lines to trick those cheeky bots! ***
imageline($image, 5, 1, 50, 20, $clr_white);
imageline($image, 60, 1, 96, 20, $clr_white);
// *** Return the newly created image in jpeg format ***
return imagejpeg($image);
// *** Just in case... ***
imagedestroy($image);
}
?>
GeoMarine Biotechnologies,first Indian Marine Biotechnology company with Biotech Vision for India