Adding extra tilde and updating APC references to APCu (APC is deprecated as per http://php.net/manual/en/intro.apc.php)

docs/en/reference/caching.rst

@@ -60,11 +60,11 @@ by itself.
 .. code-block:: php
 
     <?php
-    $cacheDriver = new \Doctrine\Common\Cache\ApcCache();
+    $cacheDriver = new \Doctrine\Common\Cache\ApcuCache();
     $cacheDriver->save('cache_id', 'my_data');
 
 APCu
-~~~
+~~~~
 
 In order to use the APCu cache driver you must have it compiled and
 enabled in your php.ini. You can read about APCu
@@ -305,7 +305,7 @@ use on your ORM configuration.
 
     <?php
     $config = new \Doctrine\ORM\Configuration();
-    $config->setQueryCacheImpl(new \Doctrine\Common\Cache\ApcCache());
+    $config->setQueryCacheImpl(new \Doctrine\Common\Cache\ApcuCache());
 
 Result Cache
 ~~~~~~~~~~~~
@@ -318,7 +318,7 @@ cache implementation.
 .. code-block:: php
 
     <?php
-    $config->setResultCacheImpl(new \Doctrine\Common\Cache\ApcCache());
+    $config->setResultCacheImpl(new \Doctrine\Common\Cache\ApcuCache());
 
 Now when you're executing DQL queries you can configure them to use
 the result cache.
@@ -335,7 +335,7 @@ result cache driver.
 .. code-block:: php
 
     <?php
-    $query->setResultCacheDriver(new \Doctrine\Common\Cache\ApcCache());
+    $query->setResultCacheDriver(new \Doctrine\Common\Cache\ApcuCache());
 
 .. note::
 
@@ -387,7 +387,7 @@ first.
 .. code-block:: php
 
     <?php
-    $config->setMetadataCacheImpl(new \Doctrine\Common\Cache\ApcCache());
+    $config->setMetadataCacheImpl(new \Doctrine\Common\Cache\ApcuCache());
 
 Now the metadata information will only be parsed once and stored in
 the cache driver.

docs/en/reference/metadata-drivers.rst

@@ -35,7 +35,7 @@ an entity.
     .. code-block:: php
 
         <?php
-        $em->getConfiguration()->setMetadataCacheImpl(new ApcCache());
+        $em->getConfiguration()->setMetadataCacheImpl(new ApcuCache());
 
 
 If you want to use one of the included core metadata drivers you