php 插入数字

<?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);
}

// 插入数字
$sql = "INSERT INTO myTable (number) VALUES (123)";
if ($conn->query($sql) === TRUE) {
    echo "新记录插入成功";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

$conn->close();
?>

$sql = "INSERT INTO myTable (number) VALUES (" . intval(123) . ")";

$stmt = $conn->prepare("INSERT INTO myTable (number) VALUES (?)");
$stmt->bind_param("i", $number);
$number = 123;
$stmt->execute();