allow dispatching of unknown methods to redis connection object

storage/cache/adapter/Redis.php

@@ -99,6 +99,27 @@ protected function _init() {
 		$this->connection->{$method}($ip, $port);
 	}
 
+	/**
+	 * Dispatches a not-found method to the Redis connection object.
+	 *
+	 * That way, one can easily use a custom method on that redis adapter like that:
+	 *
+	 * {{{Cache::adapter('named-of-redis-config')->methodName($argument);}}}
+	 *
+	 * If you want to know, what methods are available, have a look at the readme of phprdis.
+	 * One use-case might be to query possible keys, e.g.
+	 *
+	 * {{{Cache::adapter('redis')->keys('*');}}}
+	 *
+	 * @link https://github.com/nicolasff/phpredis GitHub: PhpRedis Extension
+	 * @param string $method Name of the method to call
+	 * @param array $params Parameter list to use when calling $method
+	 * @return mixed Returns the result of the method call
+	 */
+	public function __call($method, $params = array()) {
+		return call_user_func_array(array(&$this->connection, $method), $params);
+	}
+
 	/**
 	 * Sets expiration time for cache keys
 	 *