<?php $conn = new mysqli("localhost", "root", "", "testdb"); if ($conn->connect_error) { die("Connection failed: " . $conn->connect_error); } $sql = "CREATE TABLE IF NOT EXISTS users ( id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(50) NOT NULL, email VARCHAR(50) UNIQUE NOT NULL )"; echo $conn->query($sql) ? "Table created successfully or already exists" : "Error: " . $conn->error; $conn->close(); ?>