diff --git a/bin/initMDSPdo.php b/bin/initMDSPdo.php
index e1e1bd88881c3a9e81c6257cdf55570f969d4995..ff6d08e71cd50216805e29fcf918282c573af1d4 100755
--- a/bin/initMDSPdo.php
+++ b/bin/initMDSPdo.php
@@ -18,7 +18,7 @@ foreach ($config['metadata.sources'] as $source) {
 		$metadataStorageHandler = new SimpleSAML_Metadata_MetaDataStorageHandlerPdo($source);
 		$result = $metadataStorageHandler->initDatabase();
 
-		if ($result === FALSE) {
+		if ($result === false) {
 			echo "Failed to intialize metadata database.". PHP_EOL;
 		} else {
 			echo "Successfully initialized metadata database.". PHP_EOL;
diff --git a/lib/SimpleSAML/Database.php b/lib/SimpleSAML/Database.php
index 2e338f1bedd047c240c8beb65f2062cedf90d551..db38d6d9d6c84dff565ab230b21ca4e0f53730db 100644
--- a/lib/SimpleSAML/Database.php
+++ b/lib/SimpleSAML/Database.php
@@ -18,7 +18,8 @@ namespace SimpleSAML;
  * @package SimpleSAMLphp
  */
 
-class Database {
+class Database
+{
 
 	/**
 	 * This variable holds the instance of the session - Singleton approach.
@@ -47,7 +48,8 @@ class Database {
 	 * @param object $altConfig Optional: Instance of a SimpleSAML_Configuration class
 	 * @return SimpleSAML_Database The shared database connection.
 	 */
-	public static function getInstance($altConfig = null) {
+	public static function getInstance($altConfig = null)
+	{
 		$config = ($altConfig)? $altConfig : \SimpleSAML_Configuration::getInstance();
 		$instanceId = self::generateInstanceId($config);
 
@@ -66,7 +68,8 @@ class Database {
 	 *
 	 * @param object $config Instance of the SimpleSAML_Configuration class
 	 */
-	private function __construct($config) {
+	private function __construct($config)
+	{
 		$driverOptions = array();
 		if ($config->getBoolean('database.persistent', TRUE)) {
 			$driverOptions = array(\PDO::ATTR_PERSISTENT => TRUE);
@@ -94,7 +97,8 @@ class Database {
 	 *
 	 * @return string $instanceId
 	 */
-	private static function generateInstanceId($config){
+	private static function generateInstanceId($config)
+	{
 		$assembledConfig = array(
 			'master' => array(
 				'database.dsn' => $config->getValue('database.dsn'),
@@ -119,13 +123,14 @@ class Database {
 	 *
 	 * @return PDO object
 	 */
-	private function connect($dsn, $username, $password, $options){
-		try{
+	private function connect($dsn, $username, $password, $options)
+	{
+		try {
 			$db = new \PDO($dsn, $username, $password, $options);
 			$db->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
 
 			return $db;
-		} catch(\PDOException $e){
+		} catch(\PDOException $e) {
 			throw new \Exception("Database error: ". $e->getMessage());
 		}
 	}
@@ -137,7 +142,8 @@ class Database {
 	 *
 	 * @return PDO object
 	 */
-	private function getSlave(){
+	private function getSlave()
+	{
 		if (count($this->dbSlaves) > 0) {
 			$slaveId = rand(0,count($this->dbSlaves)-1);
 			return $this->dbSlaves[$slaveId];
@@ -153,7 +159,8 @@ class Database {
 	 * @param $table Table to apply prefix,if configured
 	 * @return string Table with configured prefix
 	 */
-	public function applyPrefix($table){
+	public function applyPrefix($table)
+	{
 		return $this->tablePrefix . $table;
 	}
 
@@ -166,19 +173,19 @@ class Database {
 	 *
 	 * @return PDO statement object
 	 */
-	private function query($db, $stmt, $params){
+	private function query($db, $stmt, $params)
+	{
 		assert('is_object($db)');
 		assert('is_string($stmt)');
 		assert('is_array($params)');
 
-		try{
+		try {
 			$query = $db->prepare($stmt);
 
 			foreach ($params as $param => $value) {
-				if(is_array($value)){
+				if (is_array($value)) {
 					$query->bindValue(":$param", $value[0], ($value[1])? $value[1] : \PDO::PARAM_STR);
-				}
-				else{
+				} else {
 					$query->bindValue(":$param", $value, \PDO::PARAM_STR);
 				}
 			}
@@ -186,7 +193,7 @@ class Database {
 			$query->execute();
 
 			return $query;
-		} catch (\PDOException $e){
+		} catch (\PDOException $e) {
 			throw new \Exception("Database error: ". $e->getMessage());
 		}
 	}
@@ -201,15 +208,16 @@ class Database {
 	 *
 	 * @return PDO statement object
 	 */
-	private function exec($db, $stmt){
+	private function exec($db, $stmt)
+	{
 		assert('is_object($db)');
 		assert('is_string($stmt)');
 
-		try{
+		try {
 			$query = $db->exec($stmt);
 
 			return $query;
-		} catch (\PDOException $e){
+		} catch (\PDOException $e) {
 			throw new \Exception("Database error: ". $e->getMessage());
 		}
 	}
@@ -222,7 +230,8 @@ class Database {
 	 *
 	 * @return PDO statement object
 	 */
-	public function write($stmt, $params = array()){
+	public function write($stmt, $params = array())
+	{
 		$db = $this->dbMaster;
 
 		if (is_array($params)) {
@@ -241,7 +250,8 @@ class Database {
 	 *
 	 * @return PDO statement object
 	 */
-	public function read($stmt, $params = array()){
+	public function read($stmt, $params = array())
+	{
 		$db = $this->getSlave();
 
 		return $this->query($db, $stmt, $params);
diff --git a/lib/SimpleSAML/Metadata/MetaDataStorageHandlerPdo.php b/lib/SimpleSAML/Metadata/MetaDataStorageHandlerPdo.php
index 5414279bf74d2224e01213a59b245d4efb058704..e493c5b773ffaefb07dc6bde0126568a09bb0614 100644
--- a/lib/SimpleSAML/Metadata/MetaDataStorageHandlerPdo.php
+++ b/lib/SimpleSAML/Metadata/MetaDataStorageHandlerPdo.php
@@ -93,10 +93,10 @@ class SimpleSAML_Metadata_MetaDataStorageHandlerPdo extends SimpleSAML_Metadata_
 		}
 
 		$stmt = $this->db->read("SELECT entity_id, entity_data FROM $tableName");
-		if($stmt->execute()) {
+		if ($stmt->execute()) {
 			$metadata = array();
 
-			while($d = $stmt->fetch()) {
+			while ($d = $stmt->fetch()) {
 				$metadata[$d['entity_id']] = json_decode($d['entity_data'], TRUE);
 			}
 
@@ -116,12 +116,12 @@ class SimpleSAML_Metadata_MetaDataStorageHandlerPdo extends SimpleSAML_Metadata_
 	public function getMetadataSet($set) {
 		assert('is_string($set)');
 
-		if(array_key_exists($set, $this->cachedMetadata)) {
+		if (array_key_exists($set, $this->cachedMetadata)) {
 			return $this->cachedMetadata[$set];
 		}
 
 		$metadataSet = $this->load($set);
-		if($metadataSet === NULL) {
+		if ($metadataSet === NULL) {
 			$metadataSet = array();
 		}
 
@@ -192,8 +192,7 @@ class SimpleSAML_Metadata_MetaDataStorageHandlerPdo extends SimpleSAML_Metadata_
 
 		if($retrivedEntityIDs !== FALSE && count($retrivedEntityIDs) > 0){
 			$stmt = $this->db->write("UPDATE $tableName SET entity_data = :entity_data WHERE entity_id = :entity_id", $params);
-		}
-		else{
+		} else {
 			$stmt = $this->db->write("INSERT INTO $tableName (entity_id, entity_data) VALUES (:entity_id, :entity_data)", $params);
 		}
 
@@ -223,4 +222,4 @@ class SimpleSAML_Metadata_MetaDataStorageHandlerPdo extends SimpleSAML_Metadata_
 		}
 	}
 
-}
\ No newline at end of file
+}
diff --git a/tests/SimpleSAML/DatabaseTest.php b/tests/SimpleSAML/DatabaseTest.php
index 6e6cb25b8ff9c289bbb41b163fdd2ff40ff88681..6a69e3fd8d70d94d5d285f328de0ba3f6ed20f96 100644
--- a/tests/SimpleSAML/DatabaseTest.php
+++ b/tests/SimpleSAML/DatabaseTest.php
@@ -20,7 +20,8 @@ class SimpleSAML_DatabaseTest extends PHPUnit_Framework_TestCase
 	 * Make protected functions available for testing
 	 * @requires PHP 5.3.2
 	 */
-	protected static function getMethod($getMethod) {
+	protected static function getMethod($getMethod)
+	{
 		$class = new ReflectionClass('SimpleSAML\Database');
 		$method = $class->getMethod($getMethod);
 		$method->setAccessible(true);
@@ -242,4 +243,4 @@ class SimpleSAML_DatabaseTest extends PHPUnit_Framework_TestCase
 		unset($this->config);
 		unset($this->db);
 	}
-}
\ No newline at end of file
+}