From 646a5160c5a02eac8750cf76c81ab235807aaa5b Mon Sep 17 00:00:00 2001
From: "Moji (Mojtaba) Rakhisi" <20111073+mojtabaRKS@users.noreply.github.com>
Date: Tue, 18 Jul 2023 16:05:47 +0330
Subject: [PATCH] refac : replace concatenating with str

use
---
 src/PersianValidators.php | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/src/PersianValidators.php b/src/PersianValidators.php
index 19bcc42..671c803 100644
--- a/src/PersianValidators.php
+++ b/src/PersianValidators.php
@@ -368,11 +368,7 @@ public function validateIranianNationalCode($attribute, $value, $parameters)
 
         $sub = 0;
 
-        if (strlen($value) == 8) {
-            $value = '00' . $value;
-        } elseif (strlen($value) == 9) {
-            $value = '0' . $value;
-        }
+        $value = str_pad($value, 10, '0', STR_PAD_LEFT);
 
         for ($i = 0; $i <= 8; $i++) {
             $sub = $sub + ( $value[$i] * ( 10 - $i ) );
@@ -384,11 +380,7 @@ public function validateIranianNationalCode($attribute, $value, $parameters)
             $control = 11 - ( $sub % 11 );
         }
 
-        if ($value[9] == $control) {
-            return true;
-        } else {
-            return false;
-        }
+        return (int) $value[9] === $control;
     }
 
     /**