diff --git a/lib/SimpleSAML/IdP/LogoutIFrame.php b/lib/SimpleSAML/IdP/LogoutIFrame.php
index f8cd6b8c8637826a7d5d16f4079d6e372cefc5ea..dd31d4c73db617352f9beff557fac1eb9a6f81a4 100644
--- a/lib/SimpleSAML/IdP/LogoutIFrame.php
+++ b/lib/SimpleSAML/IdP/LogoutIFrame.php
@@ -1,93 +1,97 @@
 <?php
 
+
 /**
  * Class that handles iframe logout.
  *
  * @package SimpleSAMLphp
  */
-class SimpleSAML_IdP_LogoutIFrame extends SimpleSAML_IdP_LogoutHandler {
+class SimpleSAML_IdP_LogoutIFrame extends SimpleSAML_IdP_LogoutHandler
+{
 
-	/**
-	 * Start the logout operation.
-	 *
-	 * @param array &$state The logout state.
-	 * @param string|null $assocId The SP we are logging out from.
-	 */
-	public function startLogout(array &$state, $assocId) {
-		assert('is_string($assocId) || is_null($assocId)');
+    /**
+     * Start the logout operation.
+     *
+     * @param array       &$state The logout state.
+     * @param string|null $assocId The SP we are logging out from.
+     */
+    public function startLogout(array &$state, $assocId)
+    {
+        assert('is_string($assocId) || is_null($assocId)');
 
-		$associations = $this->idp->getAssociations();
+        $associations = $this->idp->getAssociations();
 
-		if (count($associations) === 0) {
-			$this->idp->finishLogout($state);
-		}
+        if (count($associations) === 0) {
+            $this->idp->finishLogout($state);
+        }
 
-		foreach ($associations as $id => &$association) {
-			$idp = SimpleSAML_IdP::getByState($association);
-			$association['core:Logout-IFrame:Name'] = $idp->getSPName($id);
-			$association['core:Logout-IFrame:State'] = 'onhold';
-		}
-		$state['core:Logout-IFrame:Associations'] = $associations;
+        foreach ($associations as $id => &$association) {
+            $idp = SimpleSAML_IdP::getByState($association);
+            $association['core:Logout-IFrame:Name'] = $idp->getSPName($id);
+            $association['core:Logout-IFrame:State'] = 'onhold';
+        }
+        $state['core:Logout-IFrame:Associations'] = $associations;
 
-		if (!is_null($assocId)) {
-			$spName = $this->idp->getSPName($assocId);
-			if ($spName === NULL) {
-				$spName = array('en' => $assocId);
-			}
+        if (!is_null($assocId)) {
+            $spName = $this->idp->getSPName($assocId);
+            if ($spName === null) {
+                $spName = array('en' => $assocId);
+            }
 
-			$state['core:Logout-IFrame:From'] = $spName;
-		} else {
-			$state['core:Logout-IFrame:From'] = NULL;
-		}
+            $state['core:Logout-IFrame:From'] = $spName;
+        } else {
+            $state['core:Logout-IFrame:From'] = null;
+        }
 
-		$params = array(
-			'id' => SimpleSAML_Auth_State::saveState($state, 'core:Logout-IFrame'),
-		);
-		if (isset($state['core:Logout-IFrame:InitType'])) {
-			$params['type'] = $state['core:Logout-IFrame:InitType'];
-		}
+        $params = array(
+            'id' => SimpleSAML_Auth_State::saveState($state, 'core:Logout-IFrame'),
+        );
+        if (isset($state['core:Logout-IFrame:InitType'])) {
+            $params['type'] = $state['core:Logout-IFrame:InitType'];
+        }
 
-		$url = SimpleSAML_Module::getModuleURL('core/idp/logout-iframe.php', $params);
-		\SimpleSAML\Utils\HTTP::redirectTrustedURL($url);
-	}
+        $url = SimpleSAML_Module::getModuleURL('core/idp/logout-iframe.php', $params);
+        \SimpleSAML\Utils\HTTP::redirectTrustedURL($url);
+    }
 
 
-	/**
-	 * Continue the logout operation.
-	 *
-	 * This function will never return.
-	 *
-	 * @param string $assocId The association that is terminated.
-	 * @param string|NULL $relayState The RelayState from the start of the logout.
-	 * @param SimpleSAML_Error_Exception|null $error The error that occurred during session termination (if any).
-	 */
-	public function onResponse($assocId, $relayState, SimpleSAML_Error_Exception $error = NULL) {
-		assert('is_string($assocId)');
+    /**
+     * Continue the logout operation.
+     *
+     * This function will never return.
+     *
+     * @param string                          $assocId The association that is terminated.
+     * @param string|NULL                     $relayState The RelayState from the start of the logout.
+     * @param SimpleSAML_Error_Exception|null $error The error that occurred during session termination (if any).
+     */
+    public function onResponse($assocId, $relayState, SimpleSAML_Error_Exception $error = null)
+    {
+        assert('is_string($assocId)');
 
-		$spId = sha1($assocId);
-		$this->idp->terminateAssociation($assocId);
+        $spId = sha1($assocId);
+        $this->idp->terminateAssociation($assocId);
 
-		echo('<!DOCTYPE html>
+        $header = <<<HEADER
+<!DOCTYPE html>
 <html>
-<head>
-<title>Logout response from ' . htmlspecialchars(var_export($assocId, TRUE)) . '</title>
-<script>
-');
-		if ($error) {
-			$errorMsg = $error->getMessage();
-			echo('window.parent.logoutFailed("' . $spId . '", "' . addslashes($errorMsg) . '");');
-		} else {
-			echo('window.parent.logoutCompleted("' . $spId . '");');
-		}
-		echo('
-</script>
-</head>
-<body>
-</body>
+ <head>
+  <title>Logout response from %s</title>
+  <script>
+HEADER;
+        printf($header, htmlspecialchars(var_export($assocId, true)));
+        if ($error) {
+            $errorMsg = $error->getMessage();
+            echo('window.parent.logoutFailed("'.$spId.'", "'.addslashes($errorMsg).'");');
+        } else {
+            echo('window.parent.logoutCompleted("'.$spId.'");');
+        }
+        echo <<<FOOTER
+  </script>
+ </head>
+ <body>
+ </body>
 </html>
-');
-
-		exit(0);
-	}
-
+FOOTER;
+        exit(0);
+    }
 }