mysql多行php

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 多行插入
$sql = "INSERT INTO users (firstname, lastname, email) VALUES 
        ('John', 'Doe', 'john@example.com'),
        ('Jane', 'Doe', 'jane@example.com'),
        ('Jim', 'Smith', 'jim@example.com')";

if ($conn->query($sql) === TRUE) {
    echo "新记录插入成功";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

$conn->close();
?>

$sql = "INSERT IGNORE INTO users (firstname, lastname, email) VALUES 
        ('John', 'Doe', 'john@example.com'),
        ('Jane', 'Doe', 'jane@example.com')";

$sql = "REPLACE INTO users (firstname, lastname, email) VALUES 
        ('John', 'Doe', 'john@example.com'),
        ('Jane', 'Doe', 'jane@example.com')";