[TWIG] Implement transchoice for ICU plural translations

src/Twig/Extension.php

@@ -79,6 +79,7 @@ class Extension extends AbstractExtension
             new TwigFunction('open_details', [Runtime::class, 'openDetails']),
             new TwigFunction('show_stylesheets', [Runtime::class, 'getShowStylesheets']),
             new TwigFunction('add_right_panel_block', [Runtime::class, 'addRightPanelBlock']),
+            new TwigFunction('transchoice', [Runtime::class, 'transchoice']),
         ];
     }
 }

src/Twig/Runtime.php

@@ -33,6 +33,7 @@ declare(strict_types = 1);
 namespace App\Twig;
 
 use App\Core\Event;
+use function App\Core\I18n\_m;
 use App\Core\Router\Router;
 use App\Entity\Actor;
 use App\Entity\Feed;
@@ -56,6 +57,11 @@ class Runtime implements RuntimeExtensionInterface, EventSubscriberInterface
         $this->request = $req;
     }
 
+    public function transchoice(array $message, int $count): string
+    {
+        return _m($message, ['count' => $count]);
+    }
+
     public function isCurrentRouteActive(string ...$routes): string
     {
         return $this->isCurrentRoute('active', ...$routes);