From bf51a443be5afbb73323a3cfdaa3ba210d3e717b Mon Sep 17 00:00:00 2001
From: Carlos Herrera <18551113+caherrera@users.noreply.github.com>
Date: Fri, 22 Jan 2021 13:17:44 -0300
Subject: [PATCH] Update Rut.php
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Arreglar función de calculo de dígito verificador.

Al filtrar y obtener un 0 array_filter enciende que es falso y elimina el digito de secuencia. corrección preguntar vía expresión regular.
---
 src/Rut.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Rut.php b/src/Rut.php
index 4afa680..b95c1c1 100644
--- a/src/Rut.php
+++ b/src/Rut.php
@@ -116,7 +116,9 @@ class Rut
     private static function calculateVerifier(int $number): string
     {
         /** @var list<int> $sequence */
-        $sequence = array_filter(array_reverse(str_split((string) $number)), 'intval');
+        $sequence = array_filter(array_reverse(str_split((string) $number)), function($d) {
+            return preg_match('/\d/',$d);
+        });
         $x = 2;
         $s = 0;
         foreach ($sequence as $digit) {