php连接mysql数据库设置端口号

<?php
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$database = "your_database";
$port = 3306; // 设置端口号

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

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

echo "连接成功";
?>

<?php
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$database = "your_database";
$port = 3306; // 设置端口号

try {
    $conn = new PDO("mysql:host=$servername;dbname=$database;port=$port", $username, $password);
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    echo "连接成功";
} catch(PDOException $e) {
    echo "连接失败: " . $e->getMessage();
}
?>