1 files changed, 21 insertions, 0 deletions
diff --git a/partials/asset_version.php b/partials/asset_version.php
new file mode 100644
index 0000000..ff5204f
--- /dev/null
+++ b/partials/asset_version.php
@@ -0,0 +1,21 @@
+<?php
+// partials/asset_version.php — cache-bust helper for static assets.
+//
+// Usage:
+//   require_once __DIR__ . '/partials/asset_version.php';  // adjust path
+//   Then: htmlspecialchars(asset_v('assets/css/site.css'), ENT_QUOTES)
+//   inside an href/src attribute.
+//
+// Paths are relative to the site document root (parent of partials/).
+
+if (!function_exists('asset_v')) {
+    function asset_v(string $rel): string {
+        static $root = null;
+        if ($root === null) {
+            $root = dirname(__DIR__);
+        }
+        $abs = $root . '/' . ltrim($rel, '/');
+        $mt  = @filemtime($abs);
+        return $rel . ($mt ? ('?v=' . $mt) : '');
+    }
+}