fix: Fix FileStorage::find function (php-debugbar#510)

* fix: Fix FileStorage::find function

Fix FileStorage::find function usort callback function to return int instead of bool, because after PHP8 bool return value for the callback function is not supported.

* fix: Fix FileStorage::find function

Fix FileStorage::find function usort callback function to return int instead of bool, because after PHP8 bool return value for the callback function is not supported.

Author: erosakos

src/DebugBar/Storage/FileStorage.php

@@ -62,7 +62,7 @@ public function find(array $filters = array(), $max = 20, $offset = 0)
 
         //Sort the files, newest first
         usort($files, function ($a, $b) {
-                return $a['time'] < $b['time'];
+                return $a['time'] <=> $b['time'];
             });
 
         //Load the metadata and filter the results.