Placement::deleteByAppId

static function deleteByAppId($id)
{
	$res = self::getList(array(
		'select' => array(
			'ID'
		),
		'filter' => array(
			'=APP_ID' => $id
		)
 		));
	while ($row = $res->fetch())
	{
		self::delete($row['ID']);
	}
}