Guzzled PHP ReCaptcha

, _(*1)

This is a Object Oriented PHP port of the original ReCaptcha lib., _(*2)

It's been designed to be testable and uses Guzzle as a transport layer., _(*3)

see https://developers.google.com/recaptcha/docs/customization

Install

The recommended way to use ReCaptcha is through composer., _(*4)

{
    "require": {
        "neutron/recaptcha": "~0.1.0"
    }
}

Silex Service Provider

A simple Silex service provider :, _(*5)

use Neutron\ReCaptcha\ReCaptcha;
use Neutron\ReCaptcha\ReCaptchaServiceProvider;
use Silex\Application;

$app = new Application();
$app->register(new ReCaptchaServiceProvider(), array(
    'recaptcha.public-key'  => 'fdspoksqdpofdkpopgqpdskofpkosd',
    'recaptcha.private-key' => 'lsdmkzfqposfomkcqdsofmsdkfkqsdmfmqsdm',
));

// $captcha is an instance of Neutron\ReCaptcha\Response
$captcha = $app['recaptcha']->bind($app['request']);

if ($captcha->isValid()) {
    echo "YEAH !";
} else {
    echo "Too bad dude :( " . $captcha->getError();
}

Usage Example

To display a captcha to the client :, _(*6)

Initialize your captcha object :

use Neutron\ReCaptcha\ReCaptcha;

$recaptcha = ReCaptcha::create($publicKey, $privateKey);

In your template :

Server side :

use Neutron\ReCaptcha\ReCaptcha;

$recaptcha = ReCaptcha::create($publicKey, $privateKey);
$response = $recaptcha->checkAnswer($_SERVER['REMOTE_ADDR'], $_POST['recaptcha_challenge_field'], $_POST['recaptcha_response_field']);

if ($response->isValid()) {
    echo "YEAH !";
} else {
    echo "Too bad dude :(";
}

Bind Symfony Request

A shortcut exists to bind a Symfony Request to ReCaptcha :, _(*7)

use Neutron\ReCaptcha\ReCaptcha;
use Symfony\Component\HttpFoundation\Request;

$recaptcha = ReCaptcha::create($publicKey, $privateKey);
$response = $recaptcha->bind(Request::createFromGlobals());

if ($response->isValid()) {
    echo "YEAH !";
} else {
    echo "Too bad dude :( " . $response->getError();
}