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custom-twig-extension.php

@@ -0,0 +1,21 @@
+<?php
+
+class CustomTwigExtension extends \Twig\Extension\AbstractExtension implements \Twig\Extension\GlobalsInterface
+{
+    public function getFilters()
+    {
+        return [
+            new \Twig\TwigFilter('json_decode', [$this, 'jsonDecode']),
+        ];
+    }
+
+    public function getGlobals(): array
+    {
+        return [];
+    }
+
+    public function jsonDecode($json)
+    {
+        return json_decode($json, true);
+    }
+}