Add License infomation header phpdoc

Author: KazuakiM

system/Cache/Handlers/RedisHandler.php

@@ -74,7 +74,7 @@ public function __construct(array $config)
 	{
 		$this->prefix = $config['prefix'] ?? '';
 
-		if (! empty($config))
+		if ( ! empty($config))
 		{
 			$this->config = array_merge($this->config, $config);
 		}

tests/system/Cache/Handlers/RedisHandlerTest.php

@@ -1,5 +1,40 @@
 <?php namespace CodeIgniter\Cache\Handlers;
 
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP
+ *
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014-2017 British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package	CodeIgniter
+ * @author	CodeIgniter Dev Team
+ * @copyright	2014-2017 British Columbia Institute of Technology (https://bcit.ca/)
+ * @license	https://opensource.org/licenses/MIT	MIT License
+ * @link	https://codeigniter.com
+ * @since	Version 3.0.0
+ * @filesource
+ */
 class RedisHandlerTest extends \CIUnitTestCase
 {
 	private $redisHandler;