What are the key factors to consider when deciding between managing a root server or opting for a managed server for hosting a PHP website with user-specific data access requirements?

When deciding between managing a root server or opting for a managed server for hosting a PHP website with user-specific data access requirements, key factors to consider include technical expertise, time commitment, security measures, scalability needs, and budget constraints.

<?php
// Example PHP code snippet for connecting to a MySQL database on a managed server

$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}
echo "Connected successfully";
?>