codeigniter-recaptcha

A Codeigniter library to validate Google Recaptcha.

Getting Started

You need to copy config and library files into yout Codeiginter application.

How to use

1. Set config variables ( Google recaptcha sitekey and secret. You will be aboe to get those values form https://www.google.com/recaptcha/admin ).

2. Use the library in your controllers as below

<?php
class Form extends CI_Controller {
  /**
   * Index Controller
   *
   * @return void
   */
    public function index()
    {
        $this->load->library('form_validation');
        $this->form_validation->set_rules('g-recaptcha-response', 'recaptcha', 'trim|required|callback_validateCaptcha');
        if ($this->form_validation->run() == FALSE){
            //Form Error
        }
        else{
            //Form Success
        }
    }
    /**
     * A callback function for validate captcha
     *
     * @param string $response
     * @return boolean
     */
    public function validateCaptcha($response){
      $this->load->library('recaptcha');
      if (!$this->recaptcha->Validate($response)){
          $this->form_validation->set_message('validateCaptcha', 'The {field} field is incorrect. Please retry.');
          return FALSE;
      }
      return TRUE;
}

Authors

• H.M.S.Nishantha - srimaln91@gmail.com
• (https://github.com/srimaln91)

License

This project is licensed under the MIT License - see the LICENSE.md file for details