<?php

//the first number

$im = ImageCreate(200, 40);  //create image

$white = ImageColorAllocate($im, 0,0, 0);

$black = ImageColorAllocate($im, 120, 200, 68);

srand((double)microtime()*1000000); 

$string = rand(1,10); //the first number

$string2=rand(1,10); //the second number

$string3="$string + $string2";

$verification = $string3;

$thevalue=$string+$string2;

ImageFill($im, 0, 0, $black);

ImageString($im, 4, 70, 10, $verification, $white);

Imagejpeg($im, "images/verify.jpeg");

ImageDestroy($im);

print "<form action='action.php' method='post'>";

print "Please enter the answer to the math question below to verify your not an evil bot:<br>";

print "<input type='hidden' value='$thevalue' name='hiddenvalue'>";

print "<input type='text' name='yourcode' size='20'><br>";

print "<img src='images/verify.jpeg' border='0'><br><br>";

print "<input type='submit' name='submit' value='submit'></form>";

?>

ImageFill($im, 0, 0, $black);

ImageString($im, 4, 70, 10, $verification, $white);

Imagejpeg($im, "images/verify.jpeg");

<?php

if(isset($_POST['submit']))

{

   $yourcode=$_POST['yourcode'];

   $hiddenvalue=$_POST['hiddenvalue'];

   if($yourcode==$hiddenvalue)

   {

       print "Correct, put your content here";

   }

   else

   {

      print "You verification code is not right. Please go back and try again.";

   }



}

?>

  is anyone there to look into my problem. thank you. I'm not such a coder to understand the codes. Thank you.