查询返回号码

Question

$total_rows = myDB::query("Select count(id) from video");
while ($total = myDB::fetchAssoc($total_rows)) {
   $result["total"]=$total;
}

这回到我身边

total:{count(id): "3"}
       count(id):"3"

如何才能只返回总数：3 提前谢谢！

Answer 1

$result["total"]=$total['total];