Add Google's reCAPTCHA verification code to the site to enhance validation

Source: Internet
Author: User

First Step Registration

The second step is to embed the code in the relevant web page after getting to the API

First, type the code into the template, which is the form submission page report.php the template

<td height= "" ">Captcha</td>
<td height=" ><?php
Requir E_once ('.. /.. /..          /skin/google/recaptchalib.php ');
$publickey = "Fill in your application for the Apikey 、、、 public Key";
echo recaptcha_get_html ($publickey);

The next step is to post to the relevant page and add the code

E/enews/index.php at the top of the code

 <?php require_once ('.. /..
/skin/google/recaptchalib.php ');
  $privatekey = "Write your application key here";   $RESP = Recaptcha_check_answer ($privatekey,                                   $_server["REMOTE_ADDR"],                                   $_post["Recaptcha_challenge_field"],                              

    $_post["Recaptcha_response_field"]);   if (! $resp->is_valid) {    die ("incorrect!! <a href= ' # ' onclick= ' Javascript:history.back (-1); ' 
>click to Back!</a> ".          "(reCAPTCHA said:".) $resp->error.
")");  } 

The last thing you need to download here is a file that is used in the file above recaptchalib.php

Put it in the relevant file directory, OK?

The next few days to see if the effect is not slightly.

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