How to upgrade XAMPP in Windows? Complete Solution.
Asif Rahaman
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After update I got errors in one of my program, it say

Notice: Undefined index: price in C:\xampp\htdocs\POS\modul\trx_sale\do.php on line 15

Fatal error: Uncaught Error: Call to a member function fetch_object() on boolean in C:\xampp\htdocs\POS\modul\trx_sale\do.php:24 Stack trace: #0 {main} thrown in…

when I input a transaction.

Is this caused by PHP 7 ? I read about mysqli and PDO thing on google.. clueless..

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