ACC SHELL

<?php
header('Content-Type: image/png');
$zrnicko=$_GET["kod"];
srand($zrnicko+73640275);
$cislo=rand();
$cislo=substr($cislo,0,5);
$obrazek = imagecreatetruecolor(210,45);
$bila_barva = imagecolorallocate($obrazek,255,255,255);
$cervena_barva = imagecolorallocate($obrazek,255,0,0);
imagefill($obrazek,0,0,$bila_barva);
//imagesetthickness($obrazek,3);
//imageline($obrazek,0,0,110,45,$cervena_barva);
$ttfonty=Array("./FRSCRIPT.TTF","./MTCORSVA.TTF","./RAGE.TTF");
$vyber_font=rand(0,2);
$vyber_uhel=rand(-30,30);
imagettftext($obrazek,30,$vyber_uhel,10,35,$cervena_barva,$ttfonty[$vyber_font],substr(strval($cislo),0,1));
$vyber_font=rand(0,2);
$vyber_uhel=rand(-30,30);
imagettftext($obrazek,30,$vyber_uhel,50,35,$cervena_barva,$ttfonty[$vyber_font],substr(strval($cislo),1,1));
$vyber_font=rand(0,2);
$vyber_uhel=rand(-30,30);
imagettftext($obrazek,30,$vyber_uhel,90,35,$cervena_barva,$ttfonty[$vyber_font],substr(strval($cislo),2,1));
$vyber_font=rand(0,2);
$vyber_uhel=rand(-30,30);
imagettftext($obrazek,30,$vyber_uhel,130,35,$cervena_barva,$ttfonty[$vyber_font],substr(strval($cislo),3,1));
$vyber_font=rand(0,2);
$vyber_uhel=rand(-30,30);
imagettftext($obrazek,30,$vyber_uhel,170,35,$cervena_barva,$ttfonty[$vyber_font],substr(strval($cislo),4,1));
imageline($obrazek,0,10,210,10,$cervena_barva);
imageline($obrazek,0,20,210,20,$cervena_barva);
imageline($obrazek,0,30,210,30,$cervena_barva);
imageline($obrazek,0,40,210,40,$cervena_barva);

imageline($obrazek,15,0,15,45,$cervena_barva);
imageline($obrazek,30,0,30,45,$cervena_barva);
imageline($obrazek,45,0,45,45,$cervena_barva);
imageline($obrazek,60,0,60,45,$cervena_barva);
imageline($obrazek,75,0,75,45,$cervena_barva);
imageline($obrazek,90,0,90,45,$cervena_barva);
imageline($obrazek,105,0,105,45,$cervena_barva);
imageline($obrazek,120,0,120,45,$cervena_barva);
imageline($obrazek,135,0,135,45,$cervena_barva);
imageline($obrazek,150,0,150,45,$cervena_barva);
imageline($obrazek,165,0,165,45,$cervena_barva);
imageline($obrazek,180,0,180,45,$cervena_barva);
imageline($obrazek,195,0,195,45,$cervena_barva);
imagepng($obrazek);
imagedestroy($obrazek);