Make use first-class callable

Author: h1karo

src/Key/Transformer/PublicKey/RsaPublicKeyTransformer.php

@@ -59,7 +59,7 @@ public function transform(KeyInterface $privateKey): KeyInterface
             throw new InvalidArgumentException($message);
         }
 
-        $parameters = array_filter($privateKey->getParameters(), [$this, 'isPublic']);
+        $parameters = array_filter($privateKey->getParameters(), $this->isPublic(...));
         $key = new Key($parameters);
 
         if ($key->has(Operations::NAME)) {

src/Key/Transformer/SecLib/RsaSecLibTransformer.php

@@ -63,7 +63,7 @@ protected function toComponents(array $parameters): array
             throw new InvalidKeyException('Exponent and/or modulus not found.');
         }
 
-        return array_map([$this, 'toComponent'], $parameters);
+        return array_map($this->toComponent(...), $parameters);
     }
 
     #[Override]
@@ -86,7 +86,7 @@ protected function fromComponents(array $components): array
             $notNull,
         );
 
-        $parameters = array_map([$this, 'fromComponent'], $flattedComponents);
+        $parameters = array_map($this->fromComponent(...), $flattedComponents);
 
         $exponentExists = array_key_exists(PublicExponent::NAME, $parameters);
         $modulusExists = array_key_exists(Modulus::NAME, $parameters);