View file code.php

<?php
// by mides, 1da.su

$_SESSION['checkcode'] = $rand = mt_rand(10000, 99999);
$image = imagecreate(40, 15);
$background_color = imagecolorallocate($image, 111, 111, 111);
$color = imagecolorallocate($image, 0, 0, 0);
imagestring($image, 3, 2, 1, $rand, $color);
header('Content-Type: image/gif');
imagegif($image);
imagedestroy($image);

?>