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0 votes
1 answer
4k views

How do I perform HTML form validation with Google ReCaptcha V2 Invisible AND Multiple Forms?

I have 2 forms on a page that both need Google ReCaptcha V2 Invisible. I have this working perfectly using the following code. In the Header: <script src='https://www.google.com/recaptcha/api.js?...
Allan's user avatar
  • 21
1 vote
1 answer
1k views

Invisble ReCaptcha: preventing image challenge before submiting form

I've added Google invisible recaptcha to an Ajax (Javascript / PHP) form on a web page (see html + js on client side below). Everything works fine except that too often Google invisible Recaptcha ...
Laurent's user avatar
  • 53
0 votes
0 answers
517 views

RECAPTCHA v2 can not display once click submit button, why?

Hi guys I need a problem , there is a button called submit and I want to when I click the button , reCAPTCHA form will appear but now, I have to click three time for display reCAPTCHA form.this is my ...
Akif Demirezen's user avatar
0 votes
0 answers
545 views

Migrating Recaptcha to invisible Recaptcha

Background I,ve implemented a recpatcha solucion from this site http://phppot.com/php/php-contact-form-with-google-recaptcha/ Now I want to migrate to Invisible Recaptcha, but I can't validate with ...
Elias Rodriguez Pizarro's user avatar
4 votes
1 answer
2k views

Google INVISIBLE reCaptcha + Bootstrap 4 validator

I've been working on online form, PHP Bootstrap 4 beta 2 validator with Google Invisible reCapture based on this site below. https://shareurcodes.com/blog/google%20invisible%20recaptcha%20integration%...
edokko's user avatar
  • 91
10 votes
2 answers
20k views

How to validate reCAPTCHA V2 Java (Servlet)

This is an Q&A style post, which I'll post both the question and an answer. The main reason for this is that I spent quite a lot of time searching the easiest way to validate recaptcha V2. So I'm ...
Roshana Pitigala's user avatar