function LookupByPid($pid)
{
$safe_pid = addslashes($pid);
$query_result = DBQueryWarn("select pid_idx from projects where pid='{$safe_pid}'");
if (!$query_result || !mysql_num_rows($query_result)) {
return null;
}
$row = mysql_fetch_array($query_result);
$idx = $row['pid_idx'];
$foo = new Project($idx);
if ($foo->IsValid()) {
return $foo;
}
return null;
}