$db_host = 'localhost';
$db_user = 'root';
$db_password = '';
$db_name = 'allonpage';
$con = mysqli_connect("localhost", $db_user, $db_password, $db_name);
if (!$con) {
echo "Error connect to MySQL" . PHP_EOL;
echo "errno: " . mysqli_connect_errno() . PHP_EOL;
exit;
}
echo "Host information: " . mysqli_get_host_info($con);
mysqli_close($con);
/*
run:
Host information: localhost via TCP/IP
*/