fix: remove the phpstan message.

Author: ping-yee

phpstan-baseline.neon.dist

@@ -155,11 +155,6 @@ parameters:
 			count: 1
 			path: system/Helpers/filesystem_helper.php
 
-		-
-			message: "#^Binary operation \"\\+\" between 0 and string results in an error\\.$#"
-			count: 1
-			path: system/Helpers/number_helper.php
-
 		-
 			message: "#^Property CodeIgniter\\\\Images\\\\Handlers\\\\BaseHandler\\:\\:\\$image \\(CodeIgniter\\\\Images\\\\Image\\) in empty\\(\\) is not falsy\\.$#"
 			count: 1

system/Helpers/number_helper.php

@@ -69,15 +69,15 @@ function number_to_size($num, int $precision = 1, ?string $locale = null)
      *
      * @see https://simple.wikipedia.org/wiki/Names_for_large_numbers
      *
-     * @param string $num
+     * @param int|string $num
      *
      * @return bool|string
      */
     function number_to_amount($num, int $precision = 0, ?string $locale = null)
     {
         // Strip any formatting & ensure numeric input
         try {
-            $num = 0 + str_replace(',', '', $num);
+            $num = 0 + (int) str_replace(',', '', $num);
         } catch (ErrorException $ee) {
             return false;
         }