Rector: apply rules for doctrine code quality

src/Bundle/ChillCustomFieldsBundle/Entity/CustomField.php

@@ -45,7 +45,7 @@ class CustomField
      * @ORM\Column(name="id", type="integer")
      * @ORM\GeneratedValue(strategy="AUTO")
      */
-    private $id;
+    private ?int $id = null;
 
     /**
      * @var array
@@ -64,7 +64,7 @@ class CustomField
      *
      * @ORM\Column(type="float")
      */
-    private $ordering;
+    private ?float $ordering = null;
 
     /**
      * @ORM\Column(type="boolean")
@@ -76,14 +76,14 @@ class CustomField
      *
      * @ORM\Column(type="string", length=255)
      */
-    private $slug;
+    private ?string $slug = null;
 
     /**
      * @var string
      *
      * @ORM\Column(type="string", length=255)
      */
-    private $type;
+    private ?string $type = null;
 
     /**
      * Get customFieldGroup.