Inline array_map(fn, $arr) and use foreach-loop instead

src/Reflection/Adapter/ReflectionClass.php

@@ -376,7 +376,7 @@
     }
 
     /**
      * @return array<trait-string, CoreReflectionClass>
      *
      * @psalm-mutation-free
      */
@@ -384,14 +384,12 @@
     {
         $traits = $this->betterReflectionClass->getTraits();
 
-        /** @var list<trait-string> $traitNames */
-        $traitNames = array_map(static fn (BetterReflectionClass $trait): string => $trait->getName(), $traits);
+        $result = [];
+        foreach ($traits as $trait) {
+            $result[$trait->getName()] = new self($trait);
+        }
 
-        /** @psalm-suppress ImpureFunctionCall */
-        return array_combine(
-            $traitNames,
-            array_map(static fn (BetterReflectionClass $trait): self => new self($trait), $traits),
-        );
+        return $result;
     }
 
     /**

src/Reflection/Adapter/ReflectionMethod.php

@@ -17,7 +17,6 @@
 use Roave\BetterReflection\Reflection\Exception\NoObjectProvided;
 use Roave\BetterReflection\Reflection\ReflectionAttribute as BetterReflectionAttribute;
 use Roave\BetterReflection\Reflection\ReflectionMethod as BetterReflectionMethod;
-use Roave\BetterReflection\Reflection\ReflectionParameter as BetterReflectionParameter;
 use Roave\BetterReflection\Reflector\Exception\IdentifierNotFound;
 use Roave\BetterReflection\Util\FileHelper;
 use Throwable;
@@ -198,10 +197,12 @@ public function getNumberOfRequiredParameters(): int
      */
     public function getParameters(): array
     {
-        return array_map(
-            static fn (BetterReflectionParameter $parameter): ReflectionParameter => new ReflectionParameter($parameter),
-            $this->betterReflectionMethod->getParameters(),
-        );
+        $parameters = [];
+        foreach ($this->betterReflectionMethod->getParameters() as $parameter) {
+            $parameters[] = new ReflectionParameter($parameter);
+        }
+
+        return $parameters;
     }
 
     /** @psalm-mutation-free */

src/Reflection/ReflectionClass.php

@@ -1154,7 +1154,12 @@ public function getParentClass(): ReflectionClass|null
      */
     public function getParentClassNames(): array
     {
-        return array_map(static fn (self $parentClass): string => $parentClass->getName(), $this->getParentClasses());
+        $classNames = [];
+        foreach ($this->getParentClasses() as $parentClass) {
+            $classNames[] = $parentClass->getName();
+        }
+
+        return $classNames;
     }
 
     /** @return list<ReflectionClass> */