9 files changed, 10 insertions, 10 deletions
diff --git a/system/libraries/Encryption.php b/system/libraries/Encryption.php
index fad4ea7f8..e3e68139a 100644
--- a/system/libraries/Encryption.php
+++ b/system/libraries/Encryption.php
@@ -160,7 +160,7 @@ class CI_Encryption {
 
 		if ( ! $this->_drivers['mcrypt'] && ! $this->_drivers['openssl'])
 		{
-			return show_error('Encryption: Unable to find an available encryption driver.');
+			show_error('Encryption: Unable to find an available encryption driver.');
 		}
 
 		isset(self::$func_override) OR self::$func_override = (extension_loaded('mbstring') && ini_get('mbstring.func_override'));
diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php
index 8ce4243fe..ae36a3b45 100644
--- a/system/libraries/Migration.php
+++ b/system/libraries/Migration.php
@@ -421,11 +421,11 @@ class CI_Migration {
 	 * Stores the current schema version
 	 *
 	 * @param	string	$migration	Migration reached
-	 * @return	void	Outputs a report of the migration
+	 * @return	void
 	 */
 	protected function _update_version($migration)
 	{
-		return $this->db->update($this->_migration_table, array(
+		$this->db->update($this->_migration_table, array(
 			'version' => $migration
 		));
 	}
diff --git a/system/libraries/Session/Session.php b/system/libraries/Session/Session.php
index 2551e54e9..ba1919b44 100644
--- a/system/libraries/Session/Session.php
+++ b/system/libraries/Session/Session.php
@@ -143,8 +143,7 @@ class CI_Session {
 		session_start();
 
 		// Is session ID auto-regeneration configured? (ignoring ajax requests)
-		if ( ! empty($_SERVER['HTTP_X_REQUESTED_WITH'])
-			&& strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest'
+		if ((empty($_SERVER['HTTP_X_REQUESTED_WITH']) OR strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) !== 'xmlhttprequest')
 			&& ($regenerate_time = config_item('sess_time_to_update')) > 0
 		)
 		{
diff --git a/system/libraries/Session/drivers/Session_database_driver.php b/system/libraries/Session/drivers/Session_database_driver.php
index 0ec6e34f0..20cec00fd 100644
--- a/system/libraries/Session/drivers/Session_database_driver.php
+++ b/system/libraries/Session/drivers/Session_database_driver.php
@@ -252,7 +252,7 @@ class CI_Session_database_driver extends CI_Session_driver implements SessionHan
 	 *
 	 * Releases locks
 	 *
-	 * @return	void
+	 * @return	bool
 	 */
 	public function close()
 	{
diff --git a/system/libraries/Session/drivers/Session_files_driver.php b/system/libraries/Session/drivers/Session_files_driver.php
index ad8315d52..d3ef34acd 100644
--- a/system/libraries/Session/drivers/Session_files_driver.php
+++ b/system/libraries/Session/drivers/Session_files_driver.php
@@ -269,7 +269,7 @@ class CI_Session_files_driver extends CI_Session_driver implements SessionHandle
 	 *
 	 * Releases locks and closes file descriptor.
 	 *
-	 * @return	void
+	 * @return	bool
 	 */
 	public function close()
 	{
diff --git a/system/libraries/Session/drivers/Session_memcached_driver.php b/system/libraries/Session/drivers/Session_memcached_driver.php
index 00112c88c..600b8ca66 100644
--- a/system/libraries/Session/drivers/Session_memcached_driver.php
+++ b/system/libraries/Session/drivers/Session_memcached_driver.php
@@ -229,7 +229,7 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa
 	 *
 	 * Releases locks and closes connection.
 	 *
-	 * @return	void
+	 * @return	bool
 	 */
 	public function close()
 	{
diff --git a/system/libraries/Session/drivers/Session_redis_driver.php b/system/libraries/Session/drivers/Session_redis_driver.php
index c53975ae4..c3c75b3b6 100644
--- a/system/libraries/Session/drivers/Session_redis_driver.php
+++ b/system/libraries/Session/drivers/Session_redis_driver.php
@@ -230,7 +230,7 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle
 	 *
 	 * Releases locks and closes connection.
 	 *
-	 * @return	void
+	 * @return	bool
 	 */
 	public function close()
 	{
diff --git a/system/libraries/Table.php b/system/libraries/Table.php
index 7a39dfc77..2d9823093 100644
--- a/system/libraries/Table.php
+++ b/system/libraries/Table.php
@@ -502,7 +502,7 @@ class CI_Table {
 	/**
 	 * Default Template
 	 *
-	 * @return	void
+	 * @return	array
 	 */
 	protected function _default_template()
 	{
diff --git a/system/libraries/Xmlrpc.php b/system/libraries/Xmlrpc.php
index 9d7cbffa2..8fbc18f04 100644
--- a/system/libraries/Xmlrpc.php
+++ b/system/libraries/Xmlrpc.php
@@ -1792,6 +1792,7 @@ class XML_RPC_Values extends CI_Xmlrpc
 	 *
 	 * @param	string
 	 * @param	mixed
+	 * @return	string
 	 */
 	public function serializedata($typ, $val)
 	{