//update book
$book['bid'] = $_POST['bid'];
$book['isbn'] = $_POST['isbn'];
$book['class'] = $_POST['class'];
$book['location'] = $_POST['location'];
$book['title'] = $_POST['title'];
$book['authors'] = $_POST['authors'];
$book['edition'] = $_POST['edition'];
$book['publisher'] = $_POST['publisher'];
$book['published_year'] = $_POST['published_year'];
$book['subjects'] = $_POST['subjects'];
$book['lang'] = $_POST['lang'];
$book['series'] = $_POST['series'];
$book['pages'] = $_POST['pages'];
$bks->updateBook($book);
}
}
// DELETE Book
if(isset($_POST['BtnDeleteBook'])){
$bid = $_POST['bid'];
$book = $bks->getBookByID($bid);
$bks->deleteBook($book);
}
// Update book /////////////////////////////////////////////////////
if(isset($_POST['BtnUpdateBook'])){
$book['bid'] = $_POST['bid'];
$book['isbn'] = $_POST['isbn'];
