Add jsonSerialize method to implement the JsonSerializable interface

Author: wol-soft

src/Traits/SerializableTrait.php

@@ -88,4 +88,12 @@ private function evaluateAttribute(string $property, $attribute, int $depth)
                 : get_object_vars($attribute)
             );
     }
+
+    /**
+     * Return a JSON serializable representation of the current state
+     */
+    public function jsonSerialize()
+    {
+        return $this->toArray();
+    }
 }