$copy['acquired_on'] = $_POST['acquired_on'];
$copy['notes'] = $_POST['notes'];
$copy['copy_status'] = $_POST['copy_status'];
$copy['lost_by'] = $_POST['lost_by'];
$copy['lost_action'] = $_POST['lost_action'];
$copy['amount_paid'] = $_POST['amount_paid'];
$copy['replaced_book'] = $_POST['replaced_book'];
$copy['action_date'] = $_POST['action_date'];
$bks->updateCopy($copy);
}
//[Delete Copy] -----------------------------------
if(isset($_POST['BtnDelete'])){
$cid = $_POST['cid'];
$copy = $bks->getCopyByID($cid);
$bks->deleteCopy($copy);
}
//[Change Barcode] -----------------------------------
if(isset($_POST['BtnChangeBarcode'])){
$cid = $_POST['cid'];
$barcode1 = $_POST['barcode1'];
$copy = $bks->getCopyByID($cid);
$bid = $copy['bid'];
if(substr($barcode1,0,1)!='A'){
$msg = "The barcode must start with the letter 'A'<hr>" .
$bks->toStringCopy($copy) . '<hr>' .