backend reg.php

<?php
session_start();


$user_name2 = $_SESSION['user_name2'];
$email_name2 = $_SESSION['email_name2'];


//echo $user_name2 ;
//echo $email_name2 ;

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

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

$sql = "INSERT INTO `contacts` (Id, Time, Name, Email)
VALUES (DEFAULT, NOW(), '$user_name2', '$email_name2')";

if ($conn->query($sql) === TRUE) {
//success
} else {
echo "Something went wrong2";
}

?>