Use ??= more

Author: nicolas-grekas

Tests/OptionsResolverTest.php

@@ -2252,9 +2252,7 @@ public function testNormalizeNestedValue()
         });
         // defined by subclass
         $this->resolver->setNormalizer('foo', function (Options $options, $resolvedValue) {
-            if (null === $resolvedValue['bar']) {
-                $resolvedValue['bar'] = 'baz';
-            }
+            $resolvedValue['bar'] ??= 'baz';
 
             return $resolvedValue;
         });