Mini optimization

app/WillySoft/Http/Route.php

@@ -12,9 +12,14 @@ abstract class Route {
             array_map(strtoupper(...), explode('|', $methods))
         )) return;
 
-        $request_path_parts = explode('/', urldecode(
+        static $cache;
+        if (!isset($cache)) {
+            $cache = explode('/', urldecode(
                 strtok($_SERVER['REQUEST_URI'], '?')
             ));
+        }
+        $request_path_parts = $cache;
+
         $path_parts = explode('/', $path);
         $callback_args = [];
         for ($i=0; $i < count($path_parts); $i++) {