CaptchaBundle/DependencyInjection/GregwarCaptchaExtension.php

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<?php
namespace Gregwar\CaptchaBundle\DependencyInjection;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
use Symfony\Component\Config\FileLocator;
/**
* Extension used to load the configuration, set parameters, and initialize the captcha view
*
* @author Gregwar <g.passault@gmail.com>
*/
class GregwarCaptchaExtension extends Extension
{
/**
* @param array $configs
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* @param ContainerBuilder $container
*/
public function load(array $configs, ContainerBuilder $container)
{
$loader = new YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
$loader->load('services.yml');
$configuration = new Configuration();
$config = $this->processConfiguration($configuration, $configs);
$container->setParameter('gregwar_captcha.config', $config);
$container->setParameter('gregwar_captcha.config.image_folder', $config['image_folder']);
$container->setParameter('gregwar_captcha.config.web_path', $config['web_path']);
$container->setParameter('gregwar_captcha.config.gc_freq', $config['gc_freq']);
$container->setParameter('gregwar_captcha.config.expiration', $config['expiration']);
$container->setParameter('gregwar_captcha.config.whitelist_key', $config['whitelist_key']);
$resources = $container->getParameter('twig.form.resources');
$container->setParameter('twig.form.resources', array_merge(array('@GregwarCaptcha/captcha.html.twig'), $resources));
}
}