HTTP error

What is wrong with my code , please tell me

<?php


public function index(){
$config= Array(
'protocol'=>'smpt',
'smtp_host'=>'ssl://smtp.googlemail.com',
'smtp_port'=> 465,
'smtp_user'=> '[email protected]',
'smtp_pass'=> '###',
);


getting http error like following

PHP Code:

'protocol'=>'smpt',

should be

'protocol'=>'smtp', 


Simple Mail Transfer Protocol (SMTP)