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PHP example - Google Recaptcha validation using jquery (AJAX)
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| <?php | |
| $remoteip = $_SERVER['REMOTE_ADDR']; | |
| ?> | |
| <!doctype html> | |
| <html> | |
| <head> | |
| <title> Recaptcha validation using jquery ajax </title> | |
| <script src="http://code.jquery.com/jquery-1.9.1.js"></script> | |
| <script type="text/javascript" src="recaptcha_ajax.js"></script> | |
| <script type="text/javascript"> | |
| function reloadRecaptcha() { | |
| var publicKey = "your_public_key"; | |
| var div = "recap"; | |
| Recaptcha.create(publicKey,div,{theme: "white"}); | |
| return false; | |
| } | |
| function validate() { | |
| var challenge = Recaptcha.get_challenge(); | |
| var response = Recaptcha.get_response(); | |
| var remoteip = "<?php echo $remoteip; ?>"; | |
| $.ajax({ | |
| type: "POST", | |
| url: "validateRecaptcha.php", | |
| async: false, | |
| data: { | |
| remoteip: remoteip, | |
| challenge: challenge, | |
| response: response | |
| }, | |
| success: function(resp) { | |
| if(resp == "true") { | |
| document.getElementById("message").innerHTML = "Perfect!"; | |
| } | |
| else { | |
| document.getElementById("message").innerHTML = "Incorrect Recaptcha! Please try again!"; | |
| reloadRecaptcha(); | |
| } | |
| } | |
| }); | |
| return false; | |
| } | |
| </script> | |
| </head> | |
| <body onload="return reloadRecaptcha();"> | |
| <form method="post" onsubmit="return validate();"> | |
| <table> | |
| <tr> | |
| <td colspan="2"> | |
| <div id="message" style="color:#ff0000; "></div> | |
| <div id="recap"></div> | |
| </td> | |
| </tr> | |
| <tr> | |
| <td colspan="2" align="center"> | |
| <input type="submit" value="Submit"> | |
| </td> | |
| </tr> | |
| </table> | |
| </form> | |
| </body> | |
| </html> |
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Зачем вверху выводить ip адрес, к чему это вообще там, ему место в validateRecaptcha.php! Удачи!