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Informations about the package recaptcha-field

RecaptchaField

RecaptchaField is a field for protecting forms against spam in ATK14 applications.

It uses reCAPTCHA v2 from Google (see https://www.google.com/recaptcha/intro/index.html)

Installation

Just use the Composer:

cd path/to/your/atk14/project/
composer require atk14/recaptcha-field

You must define two constants in config/settings.php. Get their right values at https://www.google.com/recaptcha/admin#list

<?php
// file: config/settings.php

// ...
define("RECAPTCHA_SITE_KEY","fksjfu2094389SAKJDPOSAIIaskalkslamcbuyid");
define("RECAPTCHA_SECRET_KEY","pwofe994883eiDJKHFISIYTTSSSSSkfdt7poieqnx");

Optionally you can symlink the RecaptchaField files into your project:

ln -s ../../vendor/atk14/recaptcha-field/src/app/fields/recaptcha_field.php app/fields/recaptcha_field.php
ln -s ../../vendor/atk14/recaptcha-field/src/app/widgets/recaptcha_widget.php app/widgets/recaptcha_widget.php

Usage in a ATK14 application

In a form:

<?php
// file: app/forms/users/create_new_form.php
class CreateNewForm extends ApplicationForm {

  function set_up(){
    $this->add_field("firstname", new CharField([
      "label" => "Firstname",
      "max_length" => 200,
    ]));

    $this->add_field("lastname", new CharField([
      "label" => "Lastname",
      "max_length" => 200,
    ]));

    // other fields

    $this->add_field("captcha",new RecaptchaField([
      "label" => "Spam protection"
    ]));
  }

  function clean(){
    list($err,$values) = parent::clean();

    // perhaps you may not want to have "captcha" in the cleaned data
    if(is_array($values)){ unset($values["captcha"]); }

    return [$err,$values];
  }
}

In a template (a shared template from the Atk14Skelet is used):

<h1>User Registration</h1>

{form}

  <fieldset>
    {render partial="shared/form_field" fields="firstname,lastname,..."}
  </fieldset>

  <fieldset>
    {render partial="shared/form_field" fields="captcha"}
  </fieldset>

  <button type="submit">Register</button>

{/form}

In a controller:

<?php
// file: app/controllers/users_controller.php
class UsersController extends ApplicationController {

  function create_new(){
    if($this->request->post() && ($values = $this->form->validate($this->params))){
      // There's no need to care about the $values["captcha"] since it was unset in CreateNewForm::clean()
      User::CreateNewRecord($values);
      $this->flash->success("Your registration has been successfully performed");
      $this->_redirect_to("main/index");
    }
  }
}

Example of usage

The RecaptchaField is used in the registration form on ATK14 Forum for instance.

License

RecaptchaField is free software distributed under the terms of the MIT license

All versions of recaptcha-field with dependencies

PHP Build Version
Package Version
Requires php Version >=5.6.0
atk14/url-fetcher Version ^1.8
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