Object-Relational Mapping

class Books extends Kwf_Model_Db {
    protected $_table = 'books';
}
 
$model = Kwf_Model_Abstract::getInstance('Books');
$book = $model->getRow(123); //get by primary key
$book->name = 'Don\'t be Hax0red!'; // modify. Don't worry about escaping
$book->save(); // persist the modification to the database
 
$book = $model->createRow(); //create a new row
$book = 'Lorem Ipsum Dolor';
$book->save();
 
$s = new Kwf_Model_Select();
$s->whereEquals('publish_year', 2011);
$s->order('title');
foreach ($model->getRows($s) as $book) {
    echo $book->title;
}