Before start you have to generate or collect recaptcha SITE_KEY and SECRET_KEY from admin console at https://www.google.com/recaptcha/ Three easy steps. Step One Add following scripts before </head> tag.
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<!--Recaptcha script--> <script src='https://www.google.com/recaptcha/api.js'></script> <!-- Recaptcha field Required--> <script> window.onload = function() { var recaptcha = document.forms["cvform"]["g-recaptcha-response"]; recaptcha.required = true; recaptcha.oninvalid = function(e) { // do something alert("Please complete the captcha"); } } </script> |
Step Two Add following markup to the form where you want to show recaptcha.
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<div class="g-recaptcha" data-sitekey="YOUR_RECAPCHA_SITE_KEY"> </div> |
Step Three Add following Recaptcha verification code snippet to the PHP…