public function getLatest($begin = 0, $limit = 20)
{
global $db;
$q = "SELECT * FROM {$this->table_name} ORDER BY wall_timestamp DESC LIMIT {$begin},{$limit}";
$muridkelas = $db->query($q, 2);
$newMurid = array();
$classname = get_called_class();
foreach ($muridkelas as $databasemurid) {
$m = new SchoolWall();
$m->fill(toRow($databasemurid));
$newMurid[] = $m;
}
return $newMurid;
}
