What resources or documentation are available for PHP developers looking to improve their understanding of MySQL database interactions?

PHP developers looking to improve their understanding of MySQL database interactions can refer to the official MySQL documentation, PHP manual, online tutorials, and forums like Stack Overflow. These resources provide detailed explanations, examples, and best practices for working with MySQL databases in PHP.

<?php
$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";
$conn->close();
?>