Make use of the nullsafe operator

Author: derrabus

Generator/UrlGenerator.php

@@ -192,9 +192,7 @@ protected function doGenerate(array $variables, array $defaults, array $requirem
                             throw new InvalidParameterException(strtr($message, ['{parameter}' => $varName, '{route}' => $name, '{expected}' => $token[2], '{given}' => $mergedParams[$varName]]));
                         }
 
-                        if ($this->logger) {
-                            $this->logger->error($message, ['parameter' => $varName, 'route' => $name, 'expected' => $token[2], 'given' => $mergedParams[$varName]]);
-                        }
+                        $this->logger?->error($message, ['parameter' => $varName, 'route' => $name, 'expected' => $token[2], 'given' => $mergedParams[$varName]]);
 
                         return '';
                     }
@@ -247,9 +245,7 @@ protected function doGenerate(array $variables, array $defaults, array $requirem
                             throw new InvalidParameterException(strtr($message, ['{parameter}' => $token[3], '{route}' => $name, '{expected}' => $token[2], '{given}' => $mergedParams[$token[3]]]));
                         }
 
-                        if ($this->logger) {
-                            $this->logger->error($message, ['parameter' => $token[3], 'route' => $name, 'expected' => $token[2], 'given' => $mergedParams[$token[3]]]);
-                        }
+                        $this->logger?->error($message, ['parameter' => $token[3], 'route' => $name, 'expected' => $token[2], 'given' => $mergedParams[$token[3]]]);
 
                         return '';
                     }

Matcher/TraceableUrlMatcher.php

@@ -158,7 +158,7 @@ private function addTrace(string $log, int $level = self::ROUTE_DOES_NOT_MATCH,
             'log' => $log,
             'name' => $name,
             'level' => $level,
-            'path' => null !== $route ? $route->getPath() : null,
+            'path' => $route?->getPath(),
         ];
     }
 }