php 数组到 SQL

<?php
// 连接数据库
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";
$conn = new mysqli($servername, $username, $password, $dbname);

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

// 创建表
$sql = "CREATE TABLE IF NOT EXISTS my_table (
    id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(30) NOT NULL,
    age INT(3) NOT NULL
)";
if ($conn->query($sql) === FALSE) {
    echo "创建表失败: " . $conn->error;
}

// 准备SQL语句
$array = array(
    array("John", 25),
    array("Jane", 30),
    array("Bob", 35)
);
$sql = "INSERT INTO my_table (name, age) VALUES ";
foreach ($array as $item) {
    $name = $item[0];
    $age = $item[1];
    $sql .= "('$name', $age),";
}
$sql = rtrim($sql, ","); // 移除最后一个逗号

// 执行SQL语句
if ($conn->query($sql) === TRUE) {
    echo "数据插入成功";
} else {
    echo "数据插入失败: " . $conn->error;
}

// 关闭连接
$conn->close();
?>