Notice: Undefined variable: period in C:\xampp7\htdocs\edgpens\reports\declaration_5.php on line 5

Notice: Undefined variable: period in C:\xampp7\htdocs\edgpens\reports\declaration_5.php on line 10

Notice: Undefined variable: period in C:\xampp7\htdocs\edgpens\reports\declaration_5.php on line 15

Fatal error: Uncaught Error: Call to undefined function mysqli_prepare_all() in C:\xampp7\htdocs\edgpens\reports\declaration_5.php:30 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\edgpens\reports\declaration_5.php on line 30