Mysqli插入ID:$ mysqli-> insert_id;或$ stmt-> insert_id? [英] Mysqli insert id: $mysqli->insert_id; or $stmt->insert_id?

问题描述

在准备好的语句中，哪一个是正确的代码? $ID_user=$mysqli->insert_id;或$ID_user=$stmt->insert_id;吗?

which one is the correct code in a prepared statement? $ID_user=$mysqli->insert_id; or $ID_user=$stmt->insert_id; ?

$stmt = $mysqli->prepare("INSERT INTO users (first_name, last_name) VALUES (?   ,?)");
$stmt->bind_param("ss",$first_name,$last_name);     
if($stmt->execute())
{
     $ID_user=$mysqli->insert_id;  // or $ID_user=$stmt->insert_id;
}

推荐答案

绝对没有区别，您可以随意使用.

There is absolutely no difference, you can use whatever you wish.

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