connected<br />
<b>Warning</b>:  Undefined variable $conn in <b>C:\xampp\htdocs\xl\pconn.php</b> on line <b>28</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function query() on null in C:\xampp\htdocs\xl\pconn.php:28
Stack trace:
#0 {main}
  thrown in <b>C:\xampp\htdocs\xl\pconn.php</b> on line <b>28</b><br />