我在这里分享PHP连接文件,在其中我得到的错误:PHP连接文件错误
“警告(!):mysqli_select_db()预计参数1是在给定的mysqli,串** ****** \第8" 行
<?php
$servername = "localhost";
$username = "root";
$password = "";
$db = "studentmanagement";
// Create connection
$conn = mysqli_connect($servername, $username, $password);
mysqli_select_db('$db',$conn);
// Check connection
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}
echo "Connected successfully";
?>