Merge pull request #172 from cengizhancaliskan/master

Support of multiple instance

DependencyInjection/Configuration.php

@@ -47,6 +47,7 @@ class Configuration implements ConfigurationInterface
                 ->arrayNode('background_images')->prototype('scalar')->end()->end()
                 ->scalarNode('disabled')->defaultValue(false)->end()
                 ->scalarNode('ignore_all_effects')->defaultValue(false)->end()
+                ->scalarNode('session_key')->defaultValue('captcha')->end()
             ->end()
         ;
 

DependencyInjection/GregwarCaptchaExtension.php

@@ -34,6 +34,6 @@ class GregwarCaptchaExtension extends Extension
         $container->setParameter('gregwar_captcha.config.whitelist_key', $config['whitelist_key']);
 
         $resources = $container->getParameter('twig.form.resources');
-        $container->setParameter('twig.form.resources', array_merge(array('GregwarCaptchaBundle::captcha.html.twig'), $resources));
+        $container->setParameter('twig.form.resources', array_merge(array('@GregwarCaptcha/captcha.html.twig'), $resources));
     }
 }

Type/CaptchaType.php

@@ -22,6 +22,8 @@ use Gregwar\CaptchaBundle\Generator\CaptchaGenerator;
  */
 class CaptchaType extends AbstractType
 {
+    const SESSION_KEY_PREFIX = '_captcha_';
+
     /**
      * @var SessionInterface
      */
@@ -53,7 +55,7 @@ class CaptchaType extends AbstractType
     {
         $this->session      = $session;
         $this->generator    = $generator;
-        $this->translator = $translator;
+        $this->translator   = $translator;
         $this->options      = $options;
     }
 
@@ -65,7 +67,7 @@ class CaptchaType extends AbstractType
         $validator = new CaptchaValidator(
             $this->translator,
             $this->session,
-            sprintf('gcb_%s', $builder->getForm()->getName()),
+            sprintf('%s%s', self::SESSION_KEY_PREFIX, $options['session_key']),
             $options['invalid_message'],
             $options['bypass_code'],
             $options['humanity']
@@ -83,7 +85,7 @@ class CaptchaType extends AbstractType
             throw new \InvalidArgumentException('GregwarCaptcha: The reload option cannot be set without as_url, see the README for more information');
         }
 
-        $sessionKey = sprintf('gcb_%s', $form->getName());
+        $sessionKey = sprintf('%s%s', self::SESSION_KEY_PREFIX, $options['session_key']);
         $isHuman    = false;
 
         if ($options['humanity'] > 0) {