Update index.php

index.php

@@ -128,12 +128,9 @@ if(!loadRoute($route, $scope)) {
 
 // flush cache
 if(array_key_equals("cache_enabled", $config, 1)) {
-    $caches = iterate_storage_files("cache");
-    foreach($caches as $filename) {
-        remove_storage_file($filename, array(
-            "storage_type" => "cache"
+    remove_storage_files("cache", array(
+        "max_age" => get_value_in_array("cache_max_age", $config, 0)
     ));
 }
-}
 
 // EOF