feat(core): add PhpFileAdapter for PHPFile Cache and set PhpFile Cache as a default fallback cache driver instead of Filesystem Cache driver

src/flextype/app/Foundation/Cache/PhpFileAdapter.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Flextype\App\Foundation\Cache;
+
+use Doctrine\Common\Cache\PhpFileCache;
+use Psr\Container\ContainerInterface;
+use Flextype\Component\Filesystem\Filesystem;
+
+class PhpFileAdapter implements CacheAdapterInterface
+{
+    public function __construct(ContainerInterface $flextype)
+    {
+        $this->flextype = $flextype;
+    }
+
+    public function getDriver() : object
+    {
+        $cache_directory = PATH['cache'] . '/doctrine/';
+
+        if (! Filesystem::has($cache_directory)) {
+            Filesystem::createDir($cache_directory);
+        }
+
+        return new PhpFileCache($cache_directory);
+    }
+}

src/flextype/dependencies.php

@@ -112,7 +112,7 @@ $flextype['cache_adapter'] = function ($container) use ($flextype) {
         } elseif (extension_loaded('wincache')) {
             $driver_name = 'wincache';
         } else {
-            $driver_name = 'filesystem';
+            $driver_name = 'PhpFile';
         }
     }