如何将mysql_fetch_assoc转换为PDO？

Question

$result = $db->("SELECT `count` FROM playerCount");
while($row = mysql_fetch_assoc($result)) {
      echo $row['count'];
}

我怎样才能转换行：while（$ row = mysql_fetch_assoc（$ result））{

到PDO？

谢谢。

Answer 1

$stmt = $db->query(...);
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {