[SOLVED] Random Number/Letter

[JayLewis]

I have a anti-scripting check on my site, it displays 2 random number or letters.

 

I want it to show just numbers. can anyone help?

 

<?
// *** 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 ***
create_image();
die();

// *** 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, 2);

// *** 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);

// *** Output the newly created image in jpeg format ***
imagejpeg($image);

// *** Clear up some memory... ***
imagedestroy($image);
}
?><p> </p>

[taith]

<?
session_start();

header("Content-Type: image/jpeg");

create_image();
die();

function create_image(){
$pass = rand(10,99);
$_SESSION["pass"] = $pass;
$image = ImageCreatetruecolor(100, 20);  
$clr_white = ImageColorAllocate($image, 255, 255, 255);
$clr_black = ImageColorAllocate($image, 0, 0, 0);
imagefill($image, 0, 0, $clr_black);
imagefontheight(15);
imagefontwidth(15);
imagestring($image, 5, 30, 3, $pass, $clr_white);
imageline($image, 5, 1, 50, 20, $clr_white);
imageline($image, 60, 1, 96, 20, $clr_white);
imagejpeg($image);
imagedestroy($image);
}
?><p> </p>

[JayLewis]

Thanks alot man, works a treat!

 

And thanks for the quick relpy

 

JayLewis x

[taith]

no prob