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• I Tin't Piece of work Out Where to Add reCAPTCHA
• It'south Not Working! Help!
• reCAPTCHA is Accepting Incorrect Words
• No, I Hateful *Totally* Incorrect Words
• My Users Are Starting To Get Ane Word Captchas

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I Can't Work Out Where to Add reCAPTCHA

This advice applies to everyone who's integrating reCAPTCHA -- irrespective of language.

Firstly y'all need to identify ii hot spots in your lawmaking. These are the places where y'all'll be adding the reCAPTCHA calls.

Display reCAPTCHA: The first hot spot is the code that generates the form. Hopefully that's like shooting fish in a barrel plenty to notice (by looking for a <class> tag in your html) and you have been able to display the CAPTCHA on your form.

Check reCAPTCHA: The second hot spot is the one that seems to cause people problems. You need to identify the code that handles form submission -- that is the code that runs when the user clicks on submit. It's difficult to generalize about what this code looks similar but here are some clues that may help you lot:

• if your form can e'er display an error message, for example if a required field is bare, look for the lawmaking that generates that mistake message.
• if your form places information in a database wait for code that does a SQL INSERT.
• if your grade sends post, search for the code that does that.

Form Already Has Validation

Life volition exist easier if your form already has some validation logic (i.east. it handles invalid input from the user past displaying a message instead of performing whatever action it unremarkably would). If that's the instance and you tin can detect the code that does that you're nearly home costless. If the class can display an error message search for the text of the error message within the code and you're certain to exist close. Once y'all've found the validation code you lot need to add a call to the check_answer part in add-on to whatsoever other checks are there (email address blank? age as well young? etc.).

Class Has No Validation

If there's currently no validation logic for your form -- if clicking on submit always succeeds -- then you have a more tricky problem. In that example you'll have to add together the reCAPTCHA validation code right before the existing form handling lawmaking does whatever it does when the user submits. You'll also have to effigy out how to redisplay the form to give the user another attempt at the captcha. Unfortunately there's no one stock reply to how you do that. It depends entirely on the structure of the code you lot already have. If the existing code isn't besides circuitous you lot may have luck posting it on the reCAPTCHA developer forum and request for advice. (If you lot do postal service at that place, be sure to include enough data for others to help y'all; simply saying "my code doesn't work" unremarkably doesn't yield good results.)

It's Not Working! Help!

Earlier doing anything else make certain yous're using the correct keys. Are your public and private keys swapped? Did you remember to put the private key in the grade handler as well as putting the public fundamental in the form?

Note that Mailhide uses different keys from the main form-based reCAPTCHA.

Be sure that your course uses the POST method, or else alter the reCAPTCHA class handler variables to Go instead of Mail.

If reCAPTCHA was working and you suddenly start getting "An internal mistake occurred", did you lot recently delete the Google account that you used to sign up for the keys? If and so, register for new keys with an active account and attempt those.

reCAPTCHA is Accepting Incorrect Words

Humans make errors and nosotros understand that. In reCAPTCHA nosotros use an avant-garde gamble analysis engine to make up one's mind whether the incoming request is from a human or not. When nosotros are highly confident that users are human being, nosotros let them to make pocket-sized mistakes.

No, I Hateful *Totally* Incorrect Words

If reCAPTCHA is accepting any input any, you probably aren't correctly validating the reCAPTCHA reply with the API servers. That is, either: (1) you are not correctly calling https://world wide web.google.com/recaptcha/api/verify (or the equivalent part if you lot're using a plugin, such equally recaptcha_check_answer in PHP), or (2) yous are not taking the advisable activity given the response from our servers. Please see the specific instructions that you lot used to install reCAPTCHA (whether information technology be through a plugin or not) to learn how to check whether the user entered the reply correctly.

My Users Are Starting To Get One Word Captchas

reCAPTCHA is not e'er about two words. It is a test to tell human and robots apart. In cases where nosotros have loftier conviction that y'all are human being, we will serve you a much easier captcha (sample below). Our system relies on your unabridged engagement with reCAPTCHA -- before, during, and afterward solving information technology -- to determine if you pass or fail the test, rather than on the solution alone.

If you are curious about the security of these easy captchas, please refer to our blog: http://googleonlinesecurity.blogspot.com/2013/10/recaptcha-merely-got-easier-simply-only-if.html

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Source: https://developers.google.com/recaptcha/old/docs/troubleshooting

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