Practice 10: Twig extentions

Author: AntoineGonzalez

src/Twig/Extensions/DinosaurExtension.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Twig\Extensions;
+
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFilter;
+
+final class DinosaurExtension extends AbstractExtension
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function getFilters(): array
+    {
+        return [
+            new TwigFilter('adultOnly', [DinosaurRuntime::class, 'onlyAdult']),
+        ];
+    }
+}

src/Twig/Extensions/DinosaurRuntime.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Twig\Extensions;
+
+use App\Entity\Dinosaur;
+use Twig\Extension\RuntimeExtensionInterface;
+
+class DinosaurRuntime implements RuntimeExtensionInterface
+{
+    /**
+     * @param Dinosaur[] $dinosaurs
+     *
+     * @return Dinosaur[]
+     */
+    public function onlyAdult(array $dinosaurs): array
+    {
+        return array_filter(
+            $dinosaurs,
+            fn (Dinosaur $dinosaur): bool => $dinosaur->getAge() >= 18
+        );
+    }
+}

templates/dinosaurs-list.html.twig

@@ -9,7 +9,7 @@
 {% block body %}
 <main>
   <div class="list-group">
-    {% for dinosaur in dinosaurs %}
+    {% for dinosaur in dinosaurs|adultOnly %}
     <a class="list-group-item list-group-item-action d-flex gap-3 py-3"
       href="{{ path('app_single_dinosaur', {id: dinosaur.id}) }}"
     >