Version 4.2.0

system/Data/Cache/Memcache.php

@@ -1,12 +1,11 @@
 <?php
 /**
  * @brief		Memcache Cache Class
- * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
- * @copyright	(c) 2001 - 2016 Invision Power Services, Inc.
- * @license		http://www.invisionpower.com/legal/standards/
- * @package		IPS Community Suite
+ * @author		<a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) Invision Power Services, Inc.
+ * @license		https://www.invisioncommunity.com/legal/standards/
+ * @package		Invision Community
  * @since		17 Sept 2013
- * @version		SVN_VERSION_NUMBER
  */
 
 namespace IPS\Data\Cache;
@@ -106,6 +105,11 @@ class _Memcache extends \IPS\Data\Cache
 		foreach( $configuration['servers'] as $server )
 		{
 			$exploded = explode( ':', $server );
+			/* set the port to 0 if unix sockets are used - see http://php.net/manual/de/memcached.addserver.php */
+			if ( \mb_substr( $server, -5) == '.sock'  AND !isset( $exploded[1] ) )
+			{
+				$exploded[1] = 0;
+			}
 			$this->link->addServer( $exploded[0], isset( $exploded[1] ) ? $exploded[1] : 11211 );
 		}
 	}