Five words: fierce new ah ah ah

Question

If the table has been created in the database, there is no need for the first step. Then how to link this table?

Answer 1

<?php
// 创建连接
$conn = new mysqli("localhost", "uesename", "password");
// 检测连接
if ($conn->connect_error) 
{    
    die("连接失败: " . $conn->connect_error);} 
    // 创建数据库
    $sql = "CREATE DATABASE test";
        if ($conn->query($sql) === TRUE) 
        {    
        echo "数据库创建成功";
        } else {    
        echo "Error creating database:" . $conn->error;
        }
    $conn->close();
?>