diff --git a/modules/core/lib/Auth/Process/StatisticsWithAttribute.php b/modules/core/lib/Auth/Process/StatisticsWithAttribute.php
index 965533a2dbbc520d62a32a5104b90192fab071f4..b7fe957fa2b6c68e0ac39ecc9271004f5296b43a 100644
--- a/modules/core/lib/Auth/Process/StatisticsWithAttribute.php
+++ b/modules/core/lib/Auth/Process/StatisticsWithAttribute.php
@@ -6,83 +6,91 @@
  * @author Andreas Ă…kre Solberg, UNINETT AS.
  * @package SimpleSAMLphp
  */
-class sspmod_core_Auth_Process_StatisticsWithAttribute extends SimpleSAML_Auth_ProcessingFilter {
-
-
-	/**
-	 * The attribute to log
-	 */
-	private $attribute = NULL;
-	
-	private $typeTag = 'saml20-idp-SSO';
-
-	private $skipPassive = false;
-
-
-	/**
-	 * Initialize this filter.
-	 *
-	 * @param array $config  Configuration information about this filter.
-	 * @param mixed $reserved  For future use.
-	 */
-	public function __construct($config, $reserved) {
-		parent::__construct($config, $reserved);
-
-		assert(is_array($config));
-
-		if (array_key_exists('attributename', $config)) {
-			$this->attribute = $config['attributename'];
-			if (!is_string($this->attribute)) {
-				throw new Exception('Invalid attribute name given to core:StatisticsWithAttribute filter.');
-			}
-		}
-		
-		if (array_key_exists('type', $config)) {
-			$this->typeTag = $config['type'];
-			if (!is_string($this->typeTag)) {
-				throw new Exception('Invalid typeTag given to core:StatisticsWithAttribute filter.');
-			}
-		}
-
-		if (array_key_exists('skipPassive', $config)) {
-			$this->skipPassive = (bool)$config['skipPassive'];
-		}
-	}
+class sspmod_core_Auth_Process_StatisticsWithAttribute extends SimpleSAML_Auth_ProcessingFilter
+{
+    /**
+     * The attribute to log
+     * @var string|null
+     */
+	private $attribute = null;
+
+    /**
+     * @var string
+     */
+    private $typeTag = 'saml20-idp-SSO';
+
+    /**
+     * @var bool
+     */
+    private $skipPassive = false;
 
 
-	/**
-	 * Log line.
-	 *
-	 * @param array &$state  The current state.
-	 */
-	public function process(&$state) {
-		assert(is_array($state));
-		assert(array_key_exists('Attributes', $state));
+    /**
+     * Initialize this filter.
+     *
+     * @param array $config  Configuration information about this filter.
+     * @param mixed $reserved  For future use.
+     */
+    public function __construct($config, $reserved)
+    {
+        parent::__construct($config, $reserved);
 
-		$logAttribute = 'NA';
-		$isPassive = '';
+        assert(is_array($config));
 
-		if (array_key_exists('isPassive', $state) && $state['isPassive'] === true) {
-			if ($this->skipPassive === true) {
-				// We have a passive request. Skip logging statistics
-				return;
-			}
-			$isPassive = 'passive-';
-		}
+        if (array_key_exists('attributename', $config)) {
+            $this->attribute = $config['attributename'];
+            if (!is_string($this->attribute)) {
+                throw new Exception('Invalid attribute name given to core:StatisticsWithAttribute filter.');
+            }
+        }
+
+        if (array_key_exists('type', $config)) {
+            $this->typeTag = $config['type'];
+            if (!is_string($this->typeTag)) {
+                throw new Exception('Invalid typeTag given to core:StatisticsWithAttribute filter.');
+            }
+        }
 
-		if (array_key_exists($this->attribute, $state['Attributes'])) {
+        if (array_key_exists('skipPassive', $config)) {
+            $this->skipPassive = (bool) $config['skipPassive'];
+        }
+    }
+
+
+    /**
+     * Log line.
+     *
+     * @param array &$state  The current state.
+     */
+    public function process(&$state)
+    {
+        assert(is_array($state));
+        assert(array_key_exists('Attributes', $state));
+
+        $logAttribute = 'NA';
+        $isPassive = '';
+
+        if (array_key_exists('isPassive', $state) && $state['isPassive'] === true) {
+            if ($this->skipPassive === true) {
+                // We have a passive request. Skip logging statistics
+                return;
+            }
+            $isPassive = 'passive-';
+        }
+
+        if (array_key_exists($this->attribute, $state['Attributes'])) {
             $logAttribute = $state['Attributes'][$this->attribute][0];
         }
 
         $source = $this->setIdentifier('Source', $state);
         $dest = $this->setIdentifier('Destination', $state);
 
-		if (!array_key_exists('PreviousSSOTimestamp', $state)) {
-			// The user hasn't authenticated with this SP earlier in this session
-			SimpleSAML\Logger::stats($isPassive . $this->typeTag . '-first ' . $dest . ' ' . $source . ' ' . $logAttribute);
-		}
+        if (!array_key_exists('PreviousSSOTimestamp', $state)) {
+            // The user hasn't authenticated with this SP earlier in this session
+            SimpleSAML\Logger::stats($isPassive.$this->typeTag.'-first '.$dest.' '.$source.' '. $logAttribute);
+        }
 
-		SimpleSAML\Logger::stats($isPassive . $this->typeTag . ' ' . $dest . ' ' . $source . ' ' . $logAttribute);
+        SimpleSAML\Logger::stats($isPassive.$this->typeTag.' '.$dest.' '.$source.' '.$logAttribute);
 	}
 
     /**
@@ -90,16 +98,16 @@ class sspmod_core_Auth_Process_StatisticsWithAttribute extends SimpleSAML_Auth_P
      * @param array $state  The current state.
      *
      * @return string
-	 */
+     */
     private function setIdentitier($direction, $state)
     {
         if (array_key_exists($direction, $state)) {
-			if (isset($state[$direction]['core:statistics-id'])) {
-				return $state[$direction]['core:statistics-id'];
-			} else {
-				return $state[$direction]['entityid'];
-			}
-		}
+            if (isset($state[$direction]['core:statistics-id'])) {
+                return $state[$direction]['core:statistics-id'];
+            } else {
+                return $state[$direction]['entityid'];
+            }
+        }
         return 'NA';
     }
 }