<?php
$connection = ssh2_connect('shell.example.com', 22, array('hostkey'=>'ssh-rsa'));
if (ssh2_auth_hostbased_file($connection, 'remoteusername', 'myhost.example.com',
'/usr/local/etc/hostkey_rsa.pub',
'/usr/local/etc/hostkey_rsa', 'secret',
'localusername')) {
echo "Public Key Hostbased Authentication Successful\n";
} else {
die('Public Key Hostbased Authentication Failed');
}
?>