我想在一列中获得 3 个随机值并将它们递增 1.
要选择我想要使用的值:
// $conn = new PDO...
{
$date = date_create('now', timezone_open('America/Los_Angeles'));
$date = date_format($date, 'Y-m-d H:i:s');
$rand = $conn->prepare("SELECT `id`, `stats`,timestamp FROM `stats_db` WHERE TIMESTAMPDIFF(day,`timestamp`,'".$date."' ) < 7 ORDER BY RAND() LIMIT 3");
$rand->execute();
}
我现在需要增加值并将它们更新到行中。我该怎么做?