<?php $mysqli = new mysqli("localhost","my_user","my_password","my_db"); // Check connection if ($mysqli -> connect_errno) {   echo "Failed to connect to MySQL: " . $mysqli -> connect_error;   exit(); } // prepare and bind $stmt = $mysqli -> prepare("INSERT INTO MyGuests (firstname, lastname, email) VALUES (?, ?, ?)"); $stmt -> bind_param("sss", $firstname, $lastname, $email); // set parameters and execute $firstname = "John"; $lastname = "Doe"; $email = "john@example.com"; $stmt -> execute(); $firstname = "Mary"; $lastname = "Moe"; $email = "mary@example.com"; $stmt -> execute(); echo "New records created successfully"; $stmt -> close(); $mysqli -> close(); ?>