[9.x] Add Fragment Helpers (#8507)

* [9.x] Add Fragment Helpers

Docs for PR: laravel/framework#44774

* formatting

---------

Co-authored-by: Taylor Otwell <[email protected]>

Author: salehhashemi1992

blade.md

@@ -1722,6 +1722,26 @@ Then, when rendering the view that utilizes this template, you may invoke the `f
 return view('dashboard', ['users' => $users])->fragment('user-list');
 ```
 
+The `fragmentIf` method allows you to conditionally return a fragment of a view based on a given condition. Otherwise, the entire view will be returned:
+
+```php
+return view('dashboard', ['users' => $users])
+    ->fragmentIf($request->hasHeader('HX-Request'), 'user-list');
+```
+
+The `fragments` and `fragmentsIf` methods allow you to return multiple view fragments in the response. The fragments will be concatenated together:
+
+```php
+view('dashboard', ['users' => $users])
+    ->fragments(['user-list', 'comment-list']);
+
+view('dashboard', ['users' => $users])
+    ->fragmentsIf(
+        $request->hasHeader('HX-Request'),
+        ['user-list', 'comment-list']
+    );
+```
+
 <a name="extending-blade"></a>
 ## Extending Blade