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I hate captcha and I am sure you do to. Here is an alternative that is abit more fun, to me at least.
Put this into a file named whatever.php:
Ok, now to the form portion. make sure that your script has session_start() at the top of it and call this before your form starts:
Now in your form, add this field, change teh style how you want and dump the paragragh tags if you want. If your form is not inside php tags, remove this ' . $botq . ' and replace it with <?php echo $botq; ?> . I hate design integrated with code, but to each his/her own, right?
Ok finally, in the script that you parse the form, you want to do this:
This is just a sample, but it gives you the general idea and you can change it to your specific needs.
* I like this, because I can include some very funny questions to give my guests a giggle as they sign up.
.
Put this into a file named whatever.php:
PHP:
$randnum = mt_rand(1,25);
switch($randnum)
{
case 1:
$botq = 'What is 5 + 3?';
$bota = '8';
break;
case 2:
$botq = 'What is 3 + 2?';
$bota = '5';
break;
case 3:
$botq = 'What is 5 + 5?';
$bota = '10';
break;
case 4:
$botq = 'What is 2 + 7?';
$bota = '9';
break;
case 5:
$botq = 'What color is a lemon?';
$bota = 'yellow';
break;
case 6:
$botq = 'What is 5 + 1?';
$bota = '6';
break;
case 7:
$botq = 'What is 7 + 7?';
$bota = '14';
break;
case 8:
$botq = 'What is 8 + 8?';
$bota = '16';
break;
case 9:
$botq = 'What shape has no corners?';
$bota = 'circle';
break;
case 10:
$botq = 'What is 6 + 6?';
$bota = '12';
break;
case 11:
$botq = 'What is 5 x 3?';
$bota = '15';
break;
case 12:
$botq = 'What is 16 + 2?';
$bota = '18';
break;
case 13:
$botq = 'What is 20 + 25?';
$bota = '45';
break;
case 14:
$botq = 'What is 16 + 4?';
$bota = '20';
break;
case 15:
$botq = 'What is 9 + 1?';
$bota = '10';
break;
case 16:
$botq = 'What is 7 x 3?';
$bota = '21';
break;
case 17:
$botq = 'What is 7 + 7 + 1?';
$bota = '15';
break;
case 18:
$botq = 'What is 13 + 3?';
$bota = '16';
break;
case 19:
$botq = 'What color is a banana?';
$bota = 'yellow';
break;
case 20:
$botq = 'What is 15 - 5?';
$bota = '10';
break;
case 21:
$botq = 'Are you a bot?';
$bota = 'no';
break;
case 22:
$botq = 'Are you a cylon?';
$bota = 'no';
break;
case 23:
$botq = 'Are you from mars?';
$bota = 'no';
break;
case 24:
$botq = 'Is Earth a cube?';
$bota = 'no';
break;
case 25:
$botq = 'Can pigeons fly?';
$bota = 'yes';
break;
}Ok, now to the form portion. make sure that your script has session_start() at the top of it and call this before your form starts:
PHP:
require('path/to/whatever.php');
$_SESSION['antibotcode'] = md5(strtolower($bota));
session_write_close();Now in your form, add this field, change teh style how you want and dump the paragragh tags if you want. If your form is not inside php tags, remove this ' . $botq . ' and replace it with <?php echo $botq; ?> . I hate design integrated with code, but to each his/her own, right?
HTML:
<p style="margin-top:0px;padding-top:0;"><span style="color:red;">* Human verification: </span><strong>' . $botq . '</strong><br style="height:35px;" /><input type="text" name="b" /></p>Ok finally, in the script that you parse the form, you want to do this:
PHP:
if (!empty($_POST['b'])) {
$b = md5(strtolower($_POST['b']));
} else {
echo 'Go back and fill out all fields! Pretty please?';
}
if (!empty($_SESSION['antibotcode'])) {
if ( $b != $_SESSION['antibotcode'] ) {
unset($_SESSION['antibotcode']);
echo 'Code typed incorrectly. Go back.';
}
} else {
echo 'Hmmm, how did you get here without the proper session being set?';
}
unset($_SESSION['antibotcode']);
// all is good, continue parsing form!This is just a sample, but it gives you the general idea and you can change it to your specific needs.
* I like this, because I can include some very funny questions to give my guests a giggle as they sign up.
.
Last edited:
