$c__ = $db->query("SELECT * FROM `lenta`
WHERE `object_id` < '" . $a['object_id'] . "'
AND `id_who` = '" . $a['id_who'] . "'
AND `type` = 'file'");
if ($c__->rowCount()) {
$db->query("DELETE FROM `lenta`
WHERE `object_id` < '" . $a['object_id'] . "'
AND `id_who` = '" . $a['id_who'] . "'
AND `type` = 'file'");
header("Location: /lenta/");
}