<?
//nastavení global ... MOC NEVIM, ALE ABY FUNGOVALY PROMENNY :)

foreach ($_GET as $get_key => $get_value) {
eval("\$$get_key=\$get_value;");
}

foreach ($_POST as $post_key => $post_value) {
eval("\$$post_key=\$post_value;");
}

foreach ($_SERVER as $server_key => $server_value) {
eval("\$$server_key=\$server_value;");
}

foreach ($_COOKIE as $COOKIE_key => $COOKIE_value) {
eval("\$$COOKIE_key=\$COOKIE_value;");
}

Header("Content-type: image/jpeg");
Header("Cache-control: no-cache");

function create_controlcode($code) {
 // generator obrazku s kontrolnim kodem
 $font = "./fonts/akbar.ttf"; // pouzity font
 $count = strlen($code);
 $image = imagecreate(120,40);
 $background_color = imagecolorallocate($image, 250,250,250);
 imagefill($image,0,0,$background_color);
 // barva znaku
 $color[0] = imagecolorallocate($image, 0, 0, 0);
 $color[1] = imagecolorallocate($image, 204, 0, 0);
 $color[2] = imagecolorallocate($image, 51, 0, 255);
 $color[3] = imagecolorallocate($image, 51, 102, 51);
 $color[4] = imagecolorallocate($image, 255, 153, 0);
 // úhel natočení znaku
 $angle[0] = 10;
 $angle[1] = 21;
 $angle[2] = 25;
 $angle[3] = -10;
 $angle[4] = -15;
 $angle[5] = -23;
 // create image //
 for($i=0; $i<$count; $i++):
  $pos = rand(0,5);
  imagettftext($image,18,$angle[$pos],10+22*$i,25,$color[rand(0,4)],$font,$code[$i]);
 endfor;
 imagejpeg($image);
 imagedestroy($image);
}

create_controlcode($generovany_kod);
?>