diff --git a/lib/Alchemy/Phrasea/Cache/ApcCache.php b/lib/Alchemy/Phrasea/Cache/ApcCache.php
index 92c5b875d0..c6af7bfb1e 100644
--- a/lib/Alchemy/Phrasea/Cache/ApcCache.php
+++ b/lib/Alchemy/Phrasea/Cache/ApcCache.php
@@ -52,10 +52,10 @@ class ApcCache extends DoctrineApc implements Cache
     /**
      * {@inheritdoc}
      */
-    public function deleteMulti(array $arrayKeys)
+    public function deleteMulti(array $keys)
     {
-        foreach ($arrayKeys as $id) {
-            $this->delete($id);
+        foreach ($keys as $key) {
+            $this->delete($key);
         }
 
         return $this;
diff --git a/lib/Alchemy/Phrasea/Cache/ArrayCache.php b/lib/Alchemy/Phrasea/Cache/ArrayCache.php
index d1c98cfd88..249402b410 100644
--- a/lib/Alchemy/Phrasea/Cache/ArrayCache.php
+++ b/lib/Alchemy/Phrasea/Cache/ArrayCache.php
@@ -53,10 +53,10 @@ class ArrayCache extends DoctrineArray implements Cache
     /**
      * {@inheritdoc}
      */
-    public function deleteMulti(array $arrayKeys)
+    public function deleteMulti(array $keys)
     {
-        foreach ($arrayKeys as $id) {
-            $this->delete($id);
+        foreach ($keys as $key) {
+            $this->delete($key);
         }
 
         return $this;
diff --git a/lib/Alchemy/Phrasea/Cache/Cache.php b/lib/Alchemy/Phrasea/Cache/Cache.php
index 9524481e37..470f94ee3c 100644
--- a/lib/Alchemy/Phrasea/Cache/Cache.php
+++ b/lib/Alchemy/Phrasea/Cache/Cache.php
@@ -45,8 +45,8 @@ interface Cache extends DoctrineCache
     /**
      * Delete multi cache entries
      *
-     * @param array $arrayKeys contains all keys to delete
+     * @param array $keys contains all keys to delete
      * @return Alchemy\Phrasea\Cache\Cache
      */
-    public function deleteMulti(array $arrayKeys);
+    public function deleteMulti(array $keys);
 }
diff --git a/lib/Alchemy/Phrasea/Cache/MemcacheCache.php b/lib/Alchemy/Phrasea/Cache/MemcacheCache.php
index 69a9d3eb16..76e32e41c5 100644
--- a/lib/Alchemy/Phrasea/Cache/MemcacheCache.php
+++ b/lib/Alchemy/Phrasea/Cache/MemcacheCache.php
@@ -52,10 +52,10 @@ class MemcacheCache extends DoctrineMemcache implements Cache
      /**
      * {@inheritdoc}
      */
-    public function deleteMulti(array $arrayKeys)
+    public function deleteMulti(array $keys)
     {
-        foreach ($arrayKeys as $id) {
-            $this->delete($id);
+        foreach ($keys as $key) {
+            $this->delete($key);
         }
 
         return $this;
diff --git a/lib/Alchemy/Phrasea/Cache/RedisCache.php b/lib/Alchemy/Phrasea/Cache/RedisCache.php
index 09236f915e..eb8d103eba 100644
--- a/lib/Alchemy/Phrasea/Cache/RedisCache.php
+++ b/lib/Alchemy/Phrasea/Cache/RedisCache.php
@@ -120,10 +120,10 @@ class RedisCache extends CacheProvider
     /**
      * {@inheritdoc}
      */
-    public function deleteMulti(array $arrayKeys)
+    public function deleteMulti(array $keys)
     {
-        foreach ($arrayKeys as $id) {
-            $this->delete($id);
+        foreach ($keys as $key) {
+            $this->delete($key);
         }
 
         return $this;
diff --git a/lib/Alchemy/Phrasea/Cache/XcacheCache.php b/lib/Alchemy/Phrasea/Cache/XcacheCache.php
index 8b89f15bb5..e181776e20 100644
--- a/lib/Alchemy/Phrasea/Cache/XcacheCache.php
+++ b/lib/Alchemy/Phrasea/Cache/XcacheCache.php
@@ -52,10 +52,10 @@ class XcacheCache extends DoctrineXcache implements Cache
     /**
      * {@inheritdoc}
      */
-    public function deleteMulti(array $arrayKeys)
+    public function deleteMulti(array $keys)
     {
-        foreach ($arrayKeys as $id) {
-            $this->delete($id);
+        foreach ($keys as $key) {
+            $this->delete($key);
         }
 
         return $this;
diff --git a/lib/classes/API/V1/adapter.class.php b/lib/classes/API/V1/adapter.class.php
index 691e41b447..ce27ff20ef 100644
--- a/lib/classes/API/V1/adapter.class.php
+++ b/lib/classes/API/V1/adapter.class.php
@@ -15,7 +15,9 @@
  * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
  * @link        www.phraseanet.com
  */
+
 use Symfony\Component\HttpFoundation\Request;
+use Silex\Application;
 
 class API_V1_adapter extends API_V1_Abstract
 {
@@ -99,7 +101,7 @@ class API_V1_adapter extends API_V1_Abstract
      * @param \Silex\Application $app The API silex application
    * @return \API_V1_result
    */
-    public function get_task_list(\Silex\Application $app)
+    public function get_task_list(Application $app)
     {
         $result = new \API_V1_result($app['request'], $this);
 
@@ -130,7 +132,7 @@ class API_V1_adapter extends API_V1_Abstract
      * @param type $task_id
      * @return \API_V1_result
      */
-    public function get_task(\Silex\Application $app, $taskId)
+    public function get_task(Application $app, $taskId)
     {
         $result = new \API_V1_result($app['request'], $this);
 
@@ -166,7 +168,7 @@ class API_V1_adapter extends API_V1_Abstract
      * @param type $task_id The task id
      * @return \API_V1_result
      */
-    public function start_task(\Silex\Application $app, $taskId)
+    public function start_task(Application $app, $taskId)
     {
         $result = new \API_V1_result($app['request'], $this);
 
@@ -198,7 +200,7 @@ class API_V1_adapter extends API_V1_Abstract
      * @param type $task_id The task id
      * @return \API_V1_result
      */
-    public function stop_task(\Silex\Application $app, $taskId)
+    public function stop_task(Application $app, $taskId)
     {
         $result = new API_V1_result($app['request'], $this);
 
@@ -233,7 +235,7 @@ class API_V1_adapter extends API_V1_Abstract
      * @return \API_V1_result
      * @throws \Exception_InvalidArgument
      */
-    public function set_task_property(\Silex\Application $app, $taskId)
+    public function set_task_property(Application $app, $taskId)
     {
         $result = new API_V1_result($app['request'], $this);
 
@@ -283,7 +285,7 @@ class API_V1_adapter extends API_V1_Abstract
       * @param \Silex\Application $app the silex application
       * @return array
       */
-    protected function get_cache_info(\Silex\Application $app)
+    protected function get_cache_info(Application $app)
     {
         $mainCache = $app['Core']['Cache'];
         $opCodeCache = $app['Core']['OpcodeCache'];
@@ -317,7 +319,7 @@ class API_V1_adapter extends API_V1_Abstract
      * @param \Silex\Application $app the silex application
      * @return array
      */
-    protected function get_config_info(\Silex\Application $app)
+    protected function get_config_info(Application $app)
     {
         $ret = array();
 
@@ -342,7 +344,7 @@ class API_V1_adapter extends API_V1_Abstract
      * @param \Silex\Application $app the silex application
      * @return array
      */
-    protected function get_gv_info(\Silex\Application $app)
+    protected function get_gv_info(Application $app)
     {
         $registry = $app['Core']['Registry'];
 
@@ -516,7 +518,7 @@ class API_V1_adapter extends API_V1_Abstract
      * @param \Silex\Application $app the silex application
      * @return \API_V1_result
      */
-    public function get_phraseanet_monitor(\Silex\Application $app)
+    public function get_phraseanet_monitor(Application $app)
     {
         $result = new API_V1_result($app['request'], $this);