diff --git a/src/BaseActiveRecordTrait.php b/src/BaseActiveRecordTrait.php
index c5061b1ac..50c5ac2d4 100644
--- a/src/BaseActiveRecordTrait.php
+++ b/src/BaseActiveRecordTrait.php
@@ -250,11 +250,11 @@ public function offsetGet(mixed $offset): mixed
      * It is implicitly called when you use something like `$model[$offset] = $item;`.
      *
      * @param mixed $offset the offset to set element.
-     * @param mixed $item the element value.
+     * @param mixed $value the element value.
      */
-    public function offsetSet(mixed $offset, mixed $item): void
+    public function offsetSet(mixed $offset, mixed $value): void
     {
-        $this->$offset = $item;
+        $this->$offset = $value;
     }
 
     /**
diff --git a/tests/ActiveRecordTest.php b/tests/ActiveRecordTest.php
index 6fb1bfc7a..de8d993bc 100644
--- a/tests/ActiveRecordTest.php
+++ b/tests/ActiveRecordTest.php
@@ -771,7 +771,16 @@ public function testToArrayForArrayable(): void
         $this->checkFixture($this->db, 'customer', true);
 
         $customerQuery = new ActiveQuery(CustomerForArrayable::class, $this->db);
+
+        /** @var CustomerForArrayable $customer */
         $customer = $customerQuery->findOne(1);
+        /** @var CustomerForArrayable $customer2 */
+        $customer2 = $customerQuery->findOne(2);
+        /** @var CustomerForArrayable $customer3 */
+        $customer3 = $customerQuery->findOne(3);
+
+        $customer->setItem($customer2);
+        $customer->setItems($customer3);
 
         $this->assertSame(
             [
@@ -780,9 +789,34 @@ public function testToArrayForArrayable(): void
                 'name' => 'user1',
                 'address' => 'address1',
                 'status' => 'active',
-                'profile_id' => 1,
+                'item' => [
+                    'id' => 2,
+                    'name' => 'user2',
+                    'email' => 'user2@example.com',
+                    'status' => 'active',
+                ],
+                'items' => [
+                    [
+                        'id' => 3,
+                        'email' => 'user3@example.com',
+                        'name' => 'user3',
+                        'status' => 'inactive',
+                    ],
+                ]
             ],
-            ArrayHelper::toArray($customer),
+            $customer->toArray([
+                'id',
+                'name',
+                'email',
+                'address',
+                'status',
+                'item.id',
+                'item.name',
+                'item.email',
+                'items.0.id',
+                'items.0.name',
+                'items.0.email',
+            ]),
         );
     }
 }
diff --git a/tests/Driver/Oracle/ActiveRecordTest.php b/tests/Driver/Oracle/ActiveRecordTest.php
index af0094387..e48379226 100644
--- a/tests/Driver/Oracle/ActiveRecordTest.php
+++ b/tests/Driver/Oracle/ActiveRecordTest.php
@@ -174,7 +174,16 @@ public function testToArrayForArrayable(): void
         $this->checkFixture($this->db, 'customer', true);
 
         $customerQuery = new ActiveQuery(CustomerForArrayable::class, $this->db);
+
+        /** @var CustomerForArrayable $customer */
         $customer = $customerQuery->findOne(1);
+        /** @var CustomerForArrayable $customer2 */
+        $customer2 = $customerQuery->findOne(2);
+        /** @var CustomerForArrayable $customer3 */
+        $customer3 = $customerQuery->findOne(3);
+
+        $customer->setItem($customer2);
+        $customer->setItems($customer3);
 
         $this->assertSame(
             [
@@ -183,10 +192,34 @@ public function testToArrayForArrayable(): void
                 'name' => 'user1',
                 'address' => 'address1',
                 'status' => 'active',
-                'bool_status' => '1',
-                'profile_id' => 1,
+                'item' => [
+                    'id' => 2,
+                    'name' => 'user2',
+                    'email' => 'user2@example.com',
+                    'status' => 'active',
+                ],
+                'items' => [
+                    [
+                        'id' => 3,
+                        'email' => 'user3@example.com',
+                        'name' => 'user3',
+                        'status' => 'inactive',
+                    ],
+                ]
             ],
-            ArrayHelper::toArray($customer),
+            $customer->toArray([
+                'id',
+                'name',
+                'email',
+                'address',
+                'status',
+                'item.id',
+                'item.name',
+                'item.email',
+                'items.0.id',
+                'items.0.name',
+                'items.0.email',
+            ]),
         );
     }
 }
diff --git a/tests/Driver/Pgsql/ActiveRecordTest.php b/tests/Driver/Pgsql/ActiveRecordTest.php
index e357fcf8c..620d71d36 100644
--- a/tests/Driver/Pgsql/ActiveRecordTest.php
+++ b/tests/Driver/Pgsql/ActiveRecordTest.php
@@ -389,7 +389,16 @@ public function testToArrayForArrayable(): void
         $this->checkFixture($this->db, 'customer', true);
 
         $customerQuery = new ActiveQuery(CustomerForArrayable::class, $this->db);
+
+        /** @var CustomerForArrayable $customer */
         $customer = $customerQuery->findOne(1);
+        /** @var CustomerForArrayable $customer2 */
+        $customer2 = $customerQuery->findOne(2);
+        /** @var CustomerForArrayable $customer3 */
+        $customer3 = $customerQuery->findOne(3);
+
+        $customer->setItem($customer2);
+        $customer->setItems($customer3);
 
         $this->assertSame(
             [
@@ -398,10 +407,34 @@ public function testToArrayForArrayable(): void
                 'name' => 'user1',
                 'address' => 'address1',
                 'status' => 'active',
-                'bool_status' => true,
-                'profile_id' => 1,
+                'item' => [
+                    'id' => 2,
+                    'name' => 'user2',
+                    'email' => 'user2@example.com',
+                    'status' => 'active',
+                ],
+                'items' => [
+                    [
+                        'id' => 3,
+                        'email' => 'user3@example.com',
+                        'name' => 'user3',
+                        'status' => 'inactive',
+                    ],
+                ]
             ],
-            ArrayHelper::toArray($customer),
+            $customer->toArray([
+                'id',
+                'name',
+                'email',
+                'address',
+                'status',
+                'item.id',
+                'item.name',
+                'item.email',
+                'items.0.id',
+                'items.0.name',
+                'items.0.email',
+            ]),
         );
     }
 }
diff --git a/tests/Stubs/ActiveRecord/CustomerForArrayable.php b/tests/Stubs/ActiveRecord/CustomerForArrayable.php
index 70bd1662b..7a4bff910 100644
--- a/tests/Stubs/ActiveRecord/CustomerForArrayable.php
+++ b/tests/Stubs/ActiveRecord/CustomerForArrayable.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Yiisoft\ActiveRecord\Tests\Stubs\ActiveRecord;
 
 use Yiisoft\ActiveRecord\ActiveRecord;
@@ -15,11 +17,34 @@
  */
 class CustomerForArrayable extends ActiveRecord
 {
+    public array $items = [];
+
+    public ?CustomerForArrayable $item = null;
+
     public function getTableName(): string
     {
         return 'customer';
     }
 
+    public function fields(): array
+    {
+        $fields = parent::fields();
+
+        $fields['item'] = 'item';
+        $fields['items'] = 'items';
+
+        return $fields;
+    }
+
+    public function setItem(CustomerForArrayable $item) {
+        $this->item = $item;
+    }
+
+    public function setItems(CustomerForArrayable ...$items)
+    {
+        $this->items = $items;
+    }
+
     public function toArray(array $fields = [], array $expand = [], bool $recursive = true): array
     {
         $data = parent::toArray($fields, $expand, $recursive);
@@ -28,4 +53,4 @@ public function toArray(array $fields = [], array $expand = [], bool $recursive
 
         return $data;
     }
-}
\ No newline at end of file
+}