skip-attributes.php

<?php

use Phalcon\DI,
  Phalcon\Events\Manager as EventsManager,
	Phalcon\Db\Adapter\Pdo\Sqlite as Connection,
	Phalcon\Mvc\Model\Manager as ModelsManager,
	Phalcon\Mvc\Model\Metadata\Memory as ModelsMetaData;

$eventsManager = new EventsManager();

$di = new DI();

$connection = new Connection(array(
	"dbname" => "robots.db"
));

$connection->setEventsManager($eventsManager);

$eventsManager->attach('db',
	function ($event, $connection) {
		switch ($event->getType()) {
			case 'beforeQuery':
				echo $connection->getSqlStatement(), '<br>';
				break;
			case 'beginTransaction':
				echo 'BEGIN', '<br>';
				break;
			case 'commitTransaction':
				echo 'COMMIT', '<br>';
				break;
			case 'rollbackTransaction':
				echo 'ROLLBACK', '<br>';
				break;
		}
	}
);

$di['db'] = $connection;
$di['modelsManager'] = new ModelsManager();
$di['modelsMetadata'] = new ModelsMetadata();

if (!$connection->tableExists('robots')) {
	$connection->execute('CREATE TABLE robots (id integer primary key, name varchar(120) not null, type varchar(32) default "mechanical", year int default 2000)');
}

class Robots extends Phalcon\Mvc\Model
{
	public function initialize()
	{
		$this->skipAttributes(array('type', 'year'));
	}
}

//Insert a record
$robot = new Robots();
$robot->name = 'Hello ' . mt_rand(0, 100000);
$robot->save();

//List records
echo '<table border="1">';
foreach (Robots::find() as $robot) {
	echo '<tr>
		<td>', $robot->id, '</td>
		<td>', $robot->name, '</td>
		<td>', $robot->type, '</td>
		<td>', $robot->year, '</td>
	</tr>';
}
echo '</table>';