[CS] Replace easy occurences of ?: with ??

Author: fancyweb

Encoder/JsonEncoder.php

@@ -25,8 +25,8 @@ class JsonEncoder implements EncoderInterface, DecoderInterface
 
     public function __construct(JsonEncode $encodingImpl = null, JsonDecode $decodingImpl = null)
     {
-        $this->encodingImpl = $encodingImpl ?: new JsonEncode();
-        $this->decodingImpl = $decodingImpl ?: new JsonDecode([JsonDecode::ASSOCIATIVE => true]);
+        $this->encodingImpl = $encodingImpl ?? new JsonEncode();
+        $this->decodingImpl = $decodingImpl ?? new JsonDecode([JsonDecode::ASSOCIATIVE => true]);
     }
 
     /**

Encoder/YamlEncoder.php

@@ -38,8 +38,8 @@ public function __construct(Dumper $dumper = null, Parser $parser = null, array
             throw new RuntimeException('The YamlEncoder class requires the "Yaml" component. Install "symfony/yaml" to use it.');
         }
 
-        $this->dumper = $dumper ?: new Dumper();
-        $this->parser = $parser ?: new Parser();
+        $this->dumper = $dumper ?? new Dumper();
+        $this->parser = $parser ?? new Parser();
         $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
     }
 

Normalizer/CustomNormalizer.php

@@ -35,7 +35,7 @@ public function normalize($object, $format = null, array $context = [])
      */
     public function denormalize($data, $type, $format = null, array $context = [])
     {
-        $object = $this->extractObjectToPopulate($type, $context) ?: new $type();
+        $object = $this->extractObjectToPopulate($type, $context) ?? new $type();
         $object->denormalize($this->serializer, $data, $format, $context);
 
         return $object;