3 files changed, 33 insertions, 5 deletions
diff --git a/phpBB/includes/acm/acm_file.php b/phpBB/includes/acm/acm_file.php
index 5a758aa2bb..5c1876d006 100644
--- a/phpBB/includes/acm/acm_file.php
+++ b/phpBB/includes/acm/acm_file.php
@@ -78,8 +78,14 @@ class acm
 
 		if (!$this->_write('data_global'))
 		{
+			if (!function_exists('phpbb_is_writable'))
+			{
+				global $phpbb_root_path;
+				include($phpbb_root_path . 'includes/functions.' . $phpEx);
+			}
+
 			// Now, this occurred how often? ... phew, just tell the user then...
-			if (!@is_writable($this->cache_dir))
+			if (!phpbb_is_writable($this->cache_dir))
 			{
 				// We need to use die() here, because else we may encounter an infinite loop (the message handler calls $cache->unload())
 				die($this->cache_dir . ' is NOT writable.');
@@ -707,7 +713,13 @@ class acm
 	*/
 	function remove_file($filename, $check = false)
 	{
-		if ($check && !@is_writable($this->cache_dir))
+		if (!function_exists('phpbb_is_writable'))
+		{
+			global $phpbb_root_path, $phpEx;
+			include($phpbb_root_path . 'includes/functions.' . $phpEx);
+		}
+
+		if ($check && !phpbb_is_writable($this->cache_dir))
 		{
 			// E_USER_ERROR - not using language entry - intended.
 			trigger_error('Unable to remove files within ' . $this->cache_dir . '. Please check directory permissions.', E_USER_ERROR);
diff --git a/phpBB/includes/acm/acm_memcache.php b/phpBB/includes/acm/acm_memcache.php
index 52b8832749..e54fa36c38 100644
--- a/phpBB/includes/acm/acm_memcache.php
+++ b/phpBB/includes/acm/acm_memcache.php
@@ -37,6 +37,12 @@ if (!defined('PHPBB_ACM_MEMCACHE_HOST'))
 	define('PHPBB_ACM_MEMCACHE_HOST', 'localhost');
 }
 
+if (!defined('PHPBB_ACM_MEMCACHE'))
+{
+	//can define multiple servers with host1/port1,host2/port2 format
+	define('PHPBB_ACM_MEMCACHE', PHPBB_ACM_MEMCACHE_HOST . '/' . PHPBB_ACM_MEMCACHE_PORT);
+}
+
 /**
 * ACM for Memcached
 * @package acm
@@ -54,7 +60,11 @@ class acm extends acm_memory
 		parent::acm_memory();
 
 		$this->memcache = new Memcache;
-		$this->memcache->connect(PHPBB_ACM_MEMCACHE_HOST, PHPBB_ACM_MEMCACHE_PORT);
+		foreach(explode(',', PHPBB_ACM_MEMCACHE) as $u)
+		{
+			$parts = explode('/', $u);
+			$this->memcache->addServer(trim($parts[0]), trim($parts[1]));
+		}
 		$this->flags = (PHPBB_ACM_MEMCACHE_COMPRESS) ? MEMCACHE_COMPRESSED : 0;
 	}
 
@@ -125,4 +135,4 @@ class acm extends acm_memory
 	}
 }
 
-?>
-\ No newline at end of file
+?>
diff --git a/phpBB/includes/acm/acm_memory.php b/phpBB/includes/acm/acm_memory.php
index efbfd4dd62..2936ea0bae 100644
--- a/phpBB/includes/acm/acm_memory.php
+++ b/phpBB/includes/acm/acm_memory.php
@@ -407,7 +407,13 @@ class acm_memory
 	*/
 	function remove_file($filename, $check = false)
 	{
-		if ($check && !@is_writable($this->cache_dir))
+		if (!function_exists('phpbb_is_writable'))
+		{
+			global $phpbb_root_path, $phpEx;
+			include($phpbb_root_path . 'includes/functions.' . $phpEx);
+		}
+
+		if ($check && !phpbb_is_writable($this->cache_dir))
 		{
 			// E_USER_ERROR - not using language entry - intended.
 			trigger_error('Unable to remove files within ' . $this->cache_dir . '. Please check directory permissions.', E_USER_ERROR);