如何使用mysql_fetch_array从MySQL获取数据

Question

我想使用下面的代码获取MySQL数据，但它似乎有一些错误。任何人都可以请帮忙。谢谢！

<?php 
$link = mysqli_connect("localhost", "myusername", "mypassword", "mydb") or die("Error " . mysqli_error($link)); 
$query = "SELECT * FROM users WHERE id=2"; 
$res = mysqli_query($link, $query); 
$userRow = mysql_fetch_array($res); 

echo $userRow["user_firstname"]; 
?> 

Answer 1

谢谢@Mario

<?php 
$link = mysqli_connect("localhost", "myusername", "mypassword", "mydb") or die("Error " . mysqli_error($link)); 
$query = "SELECT * FROM users WHERE id=2"; 
$res = mysqli_query($link, $query); 
$userRow = mysqli_fetch_array($res); 

echo $userRow["user_firstname"]; 
?>