就mysqli_result（）而言，这个mysql_result（）的等价物是什么

Question

$query = "SELECT `uid` FROM `userdata` WHERE `username` = '$username' AND `password` = '$password'";
$query_run = mysqli_query($con, $query);

注意： - $ con = mysqli_connect（$ host，$ user，$ pword）;

$query_num_rows = mysqli_num_rows($query_run);
$user_id = mysql_result($query_run,0,'uid');//How do convert this line to mysqli_result() function???

Answer 1

答案是： - 替换

行

$user_id = mysql_result($query_run,0,'uid');

与

$row = mysqli_fetch_assoc($query_run);
            echo $row['uid'];