Merge branch 'master' into 2.0-dev

Author: wilsonge

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: joomla
+custom: https://community.joomla.org/sponsorship-campaigns.html

src/IpHelper.php

@@ -2,18 +2,16 @@
 /**
  * Part of the Joomla Framework Utilities Package
  *
- * @copyright  Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
- * @license    GNU General Public License version 2 or later; see LICENSE
+ * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ * @note        This file has been modified by the Joomla! Project and no longer reflects the original work of its author.
  */
 
 namespace Joomla\Utilities;
 
 /**
  * IpHelper is a utility class for processing IP addresses
  *
- * This class is adapted from the `FOFUtilsIp` class distributed with the Joomla! CMS as part of the FOF library by Akeeba Ltd.
- * The original class is copyright of Nicholas K. Dionysopoulos / Akeeba Ltd.
- *
  * @since  1.6.0
  */
 final class IpHelper
@@ -31,6 +29,7 @@ final class IpHelper
 	 *
 	 * @var    boolean
 	 * @since  1.6.0
+	 * @note   The default value is false in version 2.0+
 	 */
 	private static $allowIpOverrides = false;
 
@@ -448,7 +447,7 @@ protected static function detectAndCleanIP()
 
 			while (empty($ip) && !empty($ips))
 			{
-				$ip = array_pop($ips);
+				$ip = array_shift($ips);
 				$ip = trim($ip);
 			}
 		}