desta fix for invalid bankaccount numbers; add virtual key object

common/models/HuBankAccountValidator.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace common\models;
+
+class HuBankAccountValidator
+{
+
+    public  function validate($bankAccount){
+        if ( !isset($bankAccount)){
+            return false;
+        }
+        $stripedBankAccount = preg_replace('/\s+/', '', $bankAccount);
+        if ( strlen($stripedBankAccount) != 24){
+            return false;
+        }
+        $arrayOfNumbers = str_split($stripedBankAccount);
+        $multipliers = [9,7,3,1];
+        $groups = [0,0,0];
+        for ( $i = 0; $i < count($arrayOfNumbers); $i++ ) {
+            $number = $arrayOfNumbers[$i];
+            $multiplier = $multipliers[$i % 4];
+            $total = $multiplier * $number;
+            $groups[intval($i / 8)] +=  $total ;
+        }
+
+        foreach ($groups as $group){
+            $mod = $group % 10;
+            if ( $mod > 0 ){
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+}