Hope I'm not flogging a dead horse but I'm trying to understand how to show
error message for reCAPTCHA on the same page as the form.
I need to go to action="quoterequest-redirect.php" page. The submit alway
goes to the action where I can check the reCAPTCHA'd enterd but it would be
nice to have the messsage appear on the same Login page.
Please remind me/give me a hint.
Thanks,
..../Ernie
Thanks for your reply Tedd.
Maybe my reCAPTCHA is more complicated than it needs to be but when you
click the "Submit" button the form triggers the
action="quoterequest-redirect.php" which goes to another program without
checking the CAPTCHA. I test in the called program and display a message if
it's invalid. The user then clicks back to form page to try again.
It would be better on submit the program would display an error message and
go nowhere.
The code works by itself but in a form with an action, not so good.
Not such how to do this....
<form action="quoterequest-redirect.php" method="post" >
<td>
<?php
// call the lib..
require_once('recaptchalib.php');
// Get a key from http://recaptcha.net/api/getkey
$publickey = "6LeGhwwAAAAAADNm2bEIkxzNHXIjpAlGYJ5NCYju";
$privatekey = "6LeGhwwAAAAAAFbi37aANuHliCnZ-_jg3uN8N7oh";
# the response from reCAPTCHA
$resp = null;
# the error code from reCAPTCHA, if any
$error = null;
# was there a reCAPTCHA response?
if ($_POST["submit"]) {
$response = recaptcha_check_answer($privatekey,
$_SERVER["REMOTE_ADDR"],
$_POST["recaptcha_challenge_field"],
$_POST["recaptcha_response_field"]);
if ($response->is_valid) {
echo "Yes, that was correct!";
} else {
# set the error code so that we can display it
echo "Eh, That wasn't right. Try Again.";
}
}
?>
<?php echo recaptcha_get_html($publickey, $error); ?>
</td>
<input type="submit" name="submit" id="submit" value="Submit" />
</form>
-----Original Message-----
From: tedd [mailto:tedd.sperling@xxxxxxxxx]
Sent: April-19-10 12:51 PM
To: Ernie Kemp; 'PHP General List'
Subject: Re: Adding reCAPTCHA to form using PHP
At 12:21 PM -0400 4/19/10, Ernie Kemp wrote:
>Need help with reCAPTCHA. Never installed it before.
>
>When Submit is clicked the "quoterequest-redirect.php" is run but I think
it
>would be better to test the reCAPTCHA before the
"quoterequest-redirect.php"
>program has been run.
>
>I check the CAPTCHA in "quoterequest-redirect.php", it displays a invalid
>message if invalid but the user has to tab back to fill in the CAPTCHA
>again.
>
>
>
>The reCAPTCHA show correctly but I need some help/hints/tips here.
Ernie :
There's nothing complicated here. You don't need to get public and
private keys or other such complications. A CAPTCHA is as simple as:
What is 2 + 2?
What is the color of an orange?
Answer correctly and you pass. If not, then you don't.
The purpose of a CAPTCHA is simply to keep bots out and allow humans
to pass. If you base your CAPTCHA on a strange graphic, then you keep
visually impaired users out. That's not good.
Here's an assortment of CAPTCHA's, but I think the Question CAPTCHA
is the best.
http://webbytedd.com/aa/assorted-captcha/
Cheers,
tedd
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