recaptcha demo

();$ Recaptcha_response-> is_valid = false;$ Recaptcha_response-> error = 'encrect-captcha-sol ';Return $ recaptcha_response;}$ Response = _ recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/recaptcha/api/verify ",Array ('Privatekey' => $ privkey,'Remoteip' => $ remoteip,'Challenge' => $ challenge,'Response' => $ response) + $ Extra_params);$ Answers = explode ("\ n", $ response [1]);$ Recaptcha_response = new ReCaptchaResponse ();$ Pos = strpos ($ res

ReCaptchaResponse (); $ Recaptcha_response-> is_valid = false; $ Recaptcha_response-> error = 'encrect-captcha-sol '; Return $ recaptcha_response; } $ Response = _ recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/recaptcha/api/verify ", Array ( 'Privatekey' => $ privkey, 'Remoteip' => $ remoteip, 'Challenge' => $ challenge, 'Response' => $ response ) + $ Extra_params ); $ Answers = explode ("\ n", $ response [1]); $ Recaptcha_response = new ReCaptchaR

| strlen ($ challenge) = 0 | $ response = null | strlen ($ response) = 0 ){$ Recaptcha_response = new ReCaptchaResponse ();$ Recaptcha_response-> is_valid = false;$ Recaptcha_response-> error = 'encrect-captcha-Sol ';Return $ recaptcha_response;}$ Response = _ recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/recaptcha/api/verify ",Array ('Privatekey' => $ privkey,'Remoteip' => $ remoteip,'Challenge' => $ challenge,'Response' => $ response) + $ Extra_p

security reasons, you must pass the remote ip to reCAPTCHA "); } // Discard spam submissions If ($ challenge = null | strlen ($ challenge) = 0 | $ response = null | strlen ($ response) = 0 ){ $ Recaptcha_response = new ReCaptchaResponse (); $ Recaptcha_response-> is_valid = false; $ Recaptcha_response-> error = 'encrect-captcha-sol '; Return $ recaptcha_response; } $ Response = _ recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/

1. Modify the two methods in recaptchalib.php Copy Code code as follows: function _recaptcha_http_post ($host, $path, $data, $port = 80) { $req = _recaptcha_qsencode ($data); $response = '; $url = $host. $path; $post _data = $req; $ch = Curl_init (); curl_setopt ($ch, Curlopt_url, $url); curl_setopt ($ch, Curlopt_returntransfer, 1); We are in post data Oh! curl_setopt ($ch, Curlopt_post, 1); Add a post variable to the curl_setopt ($ch, Curlopt_postfields, $post _data); $

($ challenge) = 0 | $ response = null | strlen ($ response) = 0 ){$ Recaptcha_response = new ReCaptchaResponse ();$ Recaptcha_response-> is_valid = false;$ Recaptcha_response-> error = 'encrect-captcha-Sol ';Return $ recaptcha_response;}$ Response = _ recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/recaptcha/api/verify ",Array ('Privatekey' => $ privkey,'Remoteip' => $ remoteip,'Challenge' => $ challenge,'Response' => $ response) + $ Extra_params);$

Blog Project Source: Https://github.com/JmilkFan/JmilkFan-s-Blog Directory Table of Contents list reCAPTCHA application reCAPTCHA List of the preceding text Use flask to write a light blog (1)-Create a project Write a light blog with flask (2)-hello world. Write a light blog with flask (3)-(m) vc_ connect MySQL and SQLAlchemy Write a light blog with flask (4)-(m) vc_ create data models and tables Write

Future of verification code: What about reCAPTCHA? The birth and significance of reCAPTCHA CMU (Carnegie Mellon University) designed a powerful system called reCAPTCHA, allowing computers to seek help from humans. The specific method is to send unrecognized text scanning images of OCR (Optical Automatic Recognition) software to major websites around the world to

1. Modify the two methods in the recaptchalib.php Copy the Code code as follows: function _recaptcha_http_post ($host, $path, $data, $port = 80) {$req = _recaptcha_qsencode ($data);$response = ";$url = $host. $path;$post _data = $req;$ch = Curl_init ();curl_setopt ($ch, Curlopt_url, $url);curl_setopt ($ch, Curlopt_returntransfer, 1);We're in post data Oh!curl_setopt ($ch, Curlopt_post, 1);Add the post variable to thecurl_setopt ($ch, Curlopt_postfields, $post _data);$output = curl_exec ($ch);Cu

1. Modify the two methods in the recaptchalib.php Copy CodeThe code is as follows: function _recaptcha_http_post ($host, $path, $data, $port = 80) { $req = _recaptcha_qsencode ($data); $response = "; $url = $host. $path; $post _data = $req; $ch = Curl_init (); curl_setopt ($ch, Curlopt_url, $url); curl_setopt ($ch, Curlopt_returntransfer, 1); We're in post data Oh! curl_setopt ($ch, Curlopt_post, 1); Add the post variable to the curl_setopt ($ch, Curlopt_postfields, $post _data); $output = curl

CAPTCHAs is an annoying technology. According to data statistics, users around the world need to complete 0.1 billion CAPTCHA tests every day. ReCAPTCHA is a project launched by the University of Carnegie Mellon to digitize the old books with the catptcha technology. It is estimated that the technology can complete 160 books a day. The reCAPTCHA technology, reCAPTCHA