diff --git a/core/action.class.inc.php b/core/action.class.inc.php
index d7ff9d367..5bb64979b 100644
--- a/core/action.class.inc.php
+++ b/core/action.class.inc.php
@@ -314,42 +314,54 @@ class ActionEmail extends ActionNotification
 		{
 			$this->m_iRecipients = 0;
 			$this->m_aMailErrors = array();
-			$bRes = false; // until we do succeed in sending the email
-	
+
 			// Determine recicipients
 			//
 			$sTo = $this->FindRecipients('to', $aContextArgs);
 			$sCC = $this->FindRecipients('cc', $aContextArgs);
 			$sBCC = $this->FindRecipients('bcc', $aContextArgs);
-	
+
 			$sFrom = MetaModel::ApplyParams($this->Get('from'), $aContextArgs);
 			$sReplyTo = MetaModel::ApplyParams($this->Get('reply_to'), $aContextArgs);
-	
+
 			$sSubject = MetaModel::ApplyParams($this->Get('subject'), $aContextArgs);
 			$sBody = MetaModel::ApplyParams($this->Get('body'), $aContextArgs);
-			
+
 			$oObj = $aContextArgs['this->object()'];
-			$sMessageId = sprintf('iTop_%s_%d_%f@%s.openitop.org', get_class($oObj), $oObj->GetKey(), microtime(true /* get as float*/), MetaModel::GetEnvironmentId());
+			$sMessageId = sprintf('iTop_%s_%d_%f@%s.openitop.org', get_class($oObj), $oObj->GetKey(), microtime(true /* get as float*/),
+				MetaModel::GetEnvironmentId());
 			$sReference = '<'.$sMessageId.'>';
 		}
-		catch(Exception $e)
-		{
-  			ApplicationContext::SetUrlMakerClass($sPreviousUrlMaker);
-  			throw $e;
-  		}
-		ApplicationContext::SetUrlMakerClass($sPreviousUrlMaker);
-		
-		if (!is_null($oLog))
-		{
+		catch (Exception $e) {
+			/** @noinspection PhpUnhandledExceptionInspection */
+			throw $e;
+		}
+		finally {
+			ApplicationContext::SetUrlMakerClass($sPreviousUrlMaker);
+		}
+
+		if (!is_null($oLog)) {
 			// Note: we have to secure this because those values are calculated
 			// inside the try statement, and we would like to keep track of as
 			// many data as we could while some variables may still be undefined
-			if (isset($sTo))       $oLog->Set('to', $sTo);
-			if (isset($sCC))       $oLog->Set('cc', $sCC);
-			if (isset($sBCC))      $oLog->Set('bcc', $sBCC);
-			if (isset($sFrom))     $oLog->Set('from', $sFrom);
-			if (isset($sSubject))  $oLog->Set('subject', $sSubject);
-			if (isset($sBody))     $oLog->Set('body', $sBody);
+			if (isset($sTo)) {
+				$oLog->Set('to', $sTo);
+			}
+			if (isset($sCC)) {
+				$oLog->Set('cc', $sCC);
+			}
+			if (isset($sBCC)) {
+				$oLog->Set('bcc', $sBCC);
+			}
+			if (isset($sFrom)) {
+				$oLog->Set('from', $sFrom);
+			}
+			if (isset($sSubject)) {
+				$oLog->Set('subject', $sSubject);
+			}
+			if (isset($sBody)) {
+				$oLog->Set('body', $sBody);
+			}
 		}
 		$sStyles = file_get_contents(APPROOT.'css/email.css');
 		$sStyles .= MetaModel::GetConfig()->Get('email_css');
@@ -439,4 +451,3 @@ class ActionEmail extends ActionNotification
 		}
 	}
 }
-?>
diff --git a/core/metamodel.class.php b/core/metamodel.class.php
index bfdb61da4..3d8e2332d 100644
--- a/core/metamodel.class.php
+++ b/core/metamodel.class.php
@@ -7222,9 +7222,11 @@ abstract class MetaModel
 	 * @param string $sInput
 	 * @param array $aParams
 	 *
-	 * @return mixed
+	 * @return string
+	 *
+	 * @throws \Exception
 	 */
-	static public function ApplyParams($sInput, $aParams)
+	public static function ApplyParams($sInput, $aParams)
 	{
 		$aParams = static::AddMagicPlaceholders($aParams);
 
@@ -7234,7 +7236,7 @@ abstract class MetaModel
 
 		$aSearches = array();
 		$aReplacements = array();
-		foreach($aParams as $sSearch => $replace)
+		foreach ($aParams as $sSearch => $replace)
 		{
 			// Some environment parameters are objects, we just need scalars
 			if (is_object($replace))