refactor: replace method_exists($object, 'toRawArray') with $object instanceof Entity

Author: kenjis

system/BaseModel.php

@@ -17,6 +17,7 @@
 use CodeIgniter\Database\Exceptions\DatabaseException;
 use CodeIgniter\Database\Exceptions\DataException;
 use CodeIgniter\Database\Query;
+use CodeIgniter\Entity\Entity;
 use CodeIgniter\Exceptions\ModelException;
 use CodeIgniter\I18n\Time;
 use CodeIgniter\Pager\Pager;
@@ -1711,8 +1712,7 @@ protected function timeToString(array $properties): array
      */
     protected function objectToRawArray($object, bool $onlyChanged = true, bool $recursive = false): array
     {
-        // Entity::toRawArray() returns array.
-        if (method_exists($object, 'toRawArray')) {
+        if ($object instanceof Entity) {
             $properties = $object->toRawArray($onlyChanged, $recursive);
         } else {
             $mirror = new ReflectionClass($object);

system/Model.php

@@ -816,8 +816,7 @@ protected function objectToRawArray($object, bool $onlyChanged = true, bool $rec
 
         // Always grab the primary key otherwise updates will fail.
         if (
-            // @TODO Should use `$data instanceof Entity`.
-            method_exists($object, 'toRawArray')
+            $object instanceof Entity
             && (
                 ! empty($properties)
                 && ! empty($this->primaryKey)