Make use of the nullsafe operator

Author: derrabus

Logger/DbalLogger.php

@@ -37,9 +37,7 @@ public function __construct(LoggerInterface $logger = null, Stopwatch $stopwatch
      */
     public function startQuery($sql, array $params = null, array $types = null): void
     {
-        if (null !== $this->stopwatch) {
-            $this->stopwatch->start('doctrine', 'doctrine');
-        }
+        $this->stopwatch?->start('doctrine', 'doctrine');
 
         if (null !== $this->logger) {
             $this->log($sql, null === $params ? [] : $this->normalizeParams($params));
@@ -51,9 +49,7 @@ public function startQuery($sql, array $params = null, array $types = null): voi
      */
     public function stopQuery(): void
     {
-        if (null !== $this->stopwatch) {
-            $this->stopwatch->stop('doctrine');
-        }
+        $this->stopwatch?->stop('doctrine');
     }
 
     /**

Validator/DoctrineInitializer.php

@@ -30,9 +30,6 @@ public function __construct(ManagerRegistry $registry)
 
     public function initialize(object $object)
     {
-        $manager = $this->registry->getManagerForClass(\get_class($object));
-        if (null !== $manager) {
-            $manager->initializeObject($object);
-        }
+        $this->registry->getManagerForClass(\get_class($object))?->initializeObject($object);
     }
 }