Для ресурсов добавлены версии по содержимому

bundle/TwigExtensionBundle/TwigExtension.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Homepage\TwigExtensionBundle;
+
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+class TwigExtension extends AbstractExtension
+{
+    private $outputDir;
+
+    public function __construct(string $outputDir)
+    {
+        $this->outputDir = $outputDir;
+    }
+
+    public function getFunctions(): array
+    {
+        return [
+            new TwigFunction('hashed_asset', [$this, 'createHashedFileLink']),
+        ];
+    }
+
+    public function createHashedFileLink(string $path): string
+    {
+        $fullPath = $this->join($this->outputDir, $path);
+        $realPath = realpath($fullPath);
+
+        if (!file_exists($realPath)) {
+            return sprintf('%s?v=%s', $path, time());
+        }
+
+        $hash = md5_file($realPath);
+
+        return sprintf('%s?v=%s', $path, $hash);
+    }
+
+    private function join(string $base, string $path): string
+    {
+        return $path ? rtrim($base, '/').'/'.ltrim($path, '/') : $base;
+    }
+}