INSTALLATION
1. Copy file "captcha_img.php" to your "FORM" directory;
2. Copy directory "png_bank" to directory where is captcha_img.php;
3. Copy directory "class" to directory where is captcha_img.php;
4. Paste CAPTCHA image in your "FORM". Example: =" mce_src="captcha_img.php?=" border="0">
5. Paste CAPTCHA field in your "FORM". Example
6. Make some logic in your "VERIFY" page (submit target page). Example:
if($_SESSION['captcha']!=$_POST['capt'])
{
echo 'Your Input is wrong! :-(';
}
else
{
echo 'Your Input is true! :-)';
}
http://www.webtoolbag.com/captcha-zdr-powerfull-captcha-tool--r70.htm
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