more refactoring for dependency injection.

laravel/proxy.php

@@ -0,0 +1,21 @@
+<?php namespace Laravel;
+
+/**
+ * The Proxy class, like the File class, is primarily intended to get rid of
+ * the testability problems introduced by PHP's global functions.
+ *
+ * For instance, the APC cache driver calls the APC global functions. Instead of
+ * calling those functions directory in the driver, we inject a Proxy instance into
+ * the class, which allows us to stub the global functions.
+ */
+class Proxy {
+
+	/**
+	 * Magic Method for calling any global function.
+	 */
+	public function __call($method, $parameters)
+	{
+		return call_user_func_array($method, $parameters);
+	}
+
+}