diff --git a/phpBB/includes/acp/acp_extensions.php b/phpBB/includes/acp/acp_extensions.php
index b2a6820461..aba9caaece 100644
--- a/phpBB/includes/acp/acp_extensions.php
+++ b/phpBB/includes/acp/acp_extensions.php
@@ -137,7 +137,7 @@ class acp_extensions
 					trigger_error($user->lang['EXTENSION_NOT_AVAILABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
 				}
 
-				if ($phpbb_extension_manager->enabled($ext_name))
+				if ($phpbb_extension_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
@@ -162,7 +162,7 @@ class acp_extensions
 					trigger_error($user->lang['EXTENSION_NOT_AVAILABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
 				}
 
-				if ($phpbb_extension_manager->enabled($ext_name))
+				if ($phpbb_extension_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
@@ -194,7 +194,7 @@ class acp_extensions
 			break;
 
 			case 'disable_pre':
-				if (!$phpbb_extension_manager->enabled($ext_name))
+				if (!$phpbb_extension_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
@@ -209,7 +209,7 @@ class acp_extensions
 			break;
 
 			case 'disable':
-				if (!$phpbb_extension_manager->enabled($ext_name))
+				if (!$phpbb_extension_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
@@ -234,7 +234,7 @@ class acp_extensions
 			break;
 
 			case 'delete_data_pre':
-				if ($phpbb_extension_manager->enabled($ext_name))
+				if ($phpbb_extension_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
@@ -248,7 +248,7 @@ class acp_extensions
 			break;
 
 			case 'delete_data':
-				if ($phpbb_extension_manager->enabled($ext_name))
+				if ($phpbb_extension_manager->is_enabled($ext_name))
 				{
 					redirect($this->u_action);
 				}
diff --git a/phpBB/phpbb/console/command/extension/disable.php b/phpBB/phpbb/console/command/extension/disable.php
index 5f0e74b984..c04848aa01 100644
--- a/phpBB/phpbb/console/command/extension/disable.php
+++ b/phpBB/phpbb/console/command/extension/disable.php
@@ -37,7 +37,7 @@ class disable extends command
 		$this->manager->disable($name);
 		$this->manager->load_extensions();
 
-		if ($this->manager->enabled($name))
+		if ($this->manager->is_enabled($name))
 		{
 			$output->writeln("<error>Could not disable extension $name</error>");
 			return 1;
diff --git a/phpBB/phpbb/console/command/extension/enable.php b/phpBB/phpbb/console/command/extension/enable.php
index 0cdf26d4db..d0d0c9f1cc 100644
--- a/phpBB/phpbb/console/command/extension/enable.php
+++ b/phpBB/phpbb/console/command/extension/enable.php
@@ -37,7 +37,7 @@ class enable extends command
 		$this->manager->enable($name);
 		$this->manager->load_extensions();
 
-		if ($this->manager->enabled($name))
+		if ($this->manager->is_enabled($name))
 		{
 			$this->log->add('admin', ANONYMOUS, '', 'LOG_EXTENSION_ENABLE', time(), array($name));
 			$output->writeln("<info>Successfully enabled extension $name</info>");
diff --git a/phpBB/phpbb/console/command/extension/purge.php b/phpBB/phpbb/console/command/extension/purge.php
index 4e57641d83..841598b90a 100644
--- a/phpBB/phpbb/console/command/extension/purge.php
+++ b/phpBB/phpbb/console/command/extension/purge.php
@@ -37,7 +37,7 @@ class purge extends command
 		$this->manager->purge($name);
 		$this->manager->load_extensions();
 
-		if ($this->manager->enabled($name))
+		if ($this->manager->is_enabled($name))
 		{
 			$output->writeln("<error>Could not purge extension $name</error>");
 			return 1;
diff --git a/phpBB/phpbb/extension/manager.php b/phpBB/phpbb/extension/manager.php
index 4130e8455a..580960ca01 100644
--- a/phpBB/phpbb/extension/manager.php
+++ b/phpBB/phpbb/extension/manager.php
@@ -515,7 +515,7 @@ class manager
 	* @param string $name Extension name to check NOTE: Can be user input
 	* @return bool Depending on whether or not the extension is available
 	*/
-	public function available($name)
+	public function is_available($name)
 	{
 		return file_exists($this->get_extension_path($name, true));
 	}
@@ -526,11 +526,34 @@ class manager
 	* @param string $name Extension name to check
 	* @return bool Depending on whether or not the extension is enabled
 	*/
-	public function enabled($name)
+	public function is_enabled($name)
 	{
 		return isset($this->extensions[$name]) && $this->extensions[$name]['ext_active'];
 	}
 
+	/**
+	* Check to see if a given extension is disabled
+	*
+	* @param string $name Extension name to check
+	* @return bool Depending on whether or not the extension is disabled
+	*/
+	public function is_disabled($name)
+	{
+		return isset($this->extensions[$name]) && !$this->extensions[$name]['ext_active'];
+	}
+
+	/**
+	* Check to see if a given extension is configured
+	*
+	* @param string $name Extension name to check
+	* @return bool Depending on whether or not the extension is configured
+	* @see all_configured()
+	*/
+	public function is_configured($name)
+	{
+		return isset($this->extensions[$name]);
+	}
+
 	/**
 	* Instantiates a \phpbb\finder.
 	*