diff --git a/lib/cast_to_int.php b/lib/cast_to_int.php
index fea1612..138a025 100644
--- a/lib/cast_to_int.php
+++ b/lib/cast_to_int.php
@@ -48,6 +48,8 @@ function RandomCompat_intval($number, $fail_open = false)
     {
         if (is_int($number) || is_float($number)) {
             $number += 0;
+        } elseif (is_numeric($number)) {
+            $number = (int) $number;
         }
 
         if (