From a4381ce9b4c381eb24dcdb809f1aa9ac4fdbc1e1 Mon Sep 17 00:00:00 2001
From: humancopy <info@humancopy.net>
Date: Mon, 18 Jan 2016 20:27:25 +0100
Subject: [PATCH] Use is_numeric instead of ctype_digit to validate numeric
 type

---
 src/CreditCard.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CreditCard.php b/src/CreditCard.php
index ce8f5d6..1994088 100644
--- a/src/CreditCard.php
+++ b/src/CreditCard.php
@@ -124,7 +124,7 @@ public static function validCreditCard($number, $type = null)
 
     public static function validCvc($cvc, $type)
     {
-        return (ctype_digit($cvc) && array_key_exists($type, self::$cards) && self::validCvcLength($cvc, $type));
+        return (is_numeric($cvc) && array_key_exists($type, self::$cards) && self::validCvcLength($cvc, $type));
     }
 
     public static function validDate($year, $month)