fix: phpstan analyze error in array_helper

Author: ddevsr

system/Helpers/array_helper.php

@@ -46,9 +46,10 @@ function dot_array_search(string $index, array $array)
     function _array_search_dot(array $indexes, array $array)
     {
         // Grab the current index
-        $currentIndex = $indexes ? array_shift($indexes) : null;
+        $currentIndex    = $indexes ? array_shift($indexes) : null;
+        $intCurrentIndex = (int) $currentIndex;
 
-        if (empty($currentIndex) || (int) $currentIndex !== 0 || (! isset($array[$currentIndex]) && $currentIndex !== '*')) {
+        if (empty($currentIndex) && $intCurrentIndex !== 0 || (! isset($array[$currentIndex]) && $currentIndex !== '*')) {
             return null;
         }