How to connect FTP using simple php function?

<?php
//Connect to the FTP server
$ftpstream = @ftp_connect('example.com');
$login = @ftp_login($ftpstream, 'username', 'password');
if($login) {
//Ftp now connected.. make your code here
}
else
{
//  Ftp Not Connectd
}

//Close FTP connection
ftp_close($ftpstream);
?>