From 25b8840f2a7b1a3c0ae56ef8205f3fb89880e20b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cengizhan=20=C3=87al=C4=B1=C5=9Fkan?=
 <cengizhancaliskan@gmail.com>
Date: Sun, 19 Mar 2017 18:40:34 +0300
Subject: [PATCH 1/2] Support of multiple instance

---
 DependencyInjection/Configuration.php | 1 +
 Type/CaptchaType.php                  | 8 +++++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index a415275..2b4cf36 100644
--- a/DependencyInjection/Configuration.php
+++ b/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()
         ;
 
diff --git a/Type/CaptchaType.php b/Type/CaptchaType.php
index 6f3ac51..b610479 100644
--- a/Type/CaptchaType.php
+++ b/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) {

From ba9c0e6166fb68ffd403c1c8f6cf8eeacc0ee86e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cengizhan=20=C3=87al=C4=B1=C5=9Fkan?=
 <cengizhancaliskan@users.noreply.github.com>
Date: Mon, 27 Mar 2017 22:32:00 +0300
Subject: [PATCH 2/2] Change session key for as_url option

---
 Type/CaptchaType.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Type/CaptchaType.php b/Type/CaptchaType.php
index b610479..619ad82 100644
--- a/Type/CaptchaType.php
+++ b/Type/CaptchaType.php
@@ -22,7 +22,7 @@ use Gregwar\CaptchaBundle\Generator\CaptchaGenerator;
  */
 class CaptchaType extends AbstractType
 {
-    const SESSION_KEY_PREFIX = '_captcha/';
+    const SESSION_KEY_PREFIX = '_captcha_';
 
     /**
      * @var SessionInterface