test current implode behavior for collections with models (#54704)

tests/Support/SupportCollectionTest.php

@@ -9,6 +9,7 @@
 use Exception;
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Contracts\Support\Jsonable;
+use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Collection;
 use Illuminate\Support\HtmlString;
 use Illuminate\Support\ItemNotFoundException;
@@ -2331,6 +2332,19 @@ public function testImplode($collection)
         $this->assertSame('taylor-foo,dayle-bar', $data->implode(fn ($user) => $user['name'].'-'.$user['email'], ','));
     }
 
+    #[DataProvider('collectionClassProvider')]
+    public function testImplodeModels($collection)
+    {
+        $model = new class extends Model {};
+        $model->setAttribute('email', 'foo');
+        $modelTwo = new class extends Model {};
+        $modelTwo->setAttribute('email', 'bar');
+        $data = new $collection([$model, $modelTwo]);
+
+        $this->assertSame('foobar', $data->implode('email'));
+        $this->assertSame('foo,bar', $data->implode('email', ','));
+    }
+
     #[DataProvider('collectionClassProvider')]
     public function testTake($collection)
     {