nagios config for sms alerts

nagios-sms-alerts

define contact{
        contact_name                    johndoe
        alias                           jdoe
        service_notification_period     24x7
        host_notification_period        24x7
        service_notification_options    u,c,r
        host_notification_options       d,r
        service_notification_commands   notify-via-sms
        host_notification_commands      notify-via-sms
        pager                           0400111222
        }
        
# 'notify-via-sms' command definition
define command{
	command_name	notify-via-sms
	command_line    $USER1$/sms_alert.php "$NOTIFICATIONTYPE$-$NOTIFICATIONAUTHOR$: $HOSTALIAS$ $SERVICEDESC$ is $SERVICESTATE$ at $TIME$: $SERVICEOUTPUT$" $CONTACTPAGER$
	}

sms.php

<?php
#var_dump($argv);


define('SMS_API_URL',  'https://api.clickatell.com/http/sendmsg');
define('SMS_API_ID',   '');
define('SMS_USERNAME', '');
define('SMS_PASSWORD', '');
define('SMS_FROM',     'Nagios');


$ch = curl_init(SMS_API_URL);
curl_setopt($ch, CURLOPT_POST, true);
$post_data = array(
                     'user' => SMS_USERNAME,
                     'password' => SMS_PASSWORD,
                     'api_id'   => SMS_API_ID,
                     'to'       => "$argv[2]",
                     'from'     => SMS_FROM,
                     'text'  => "$argv[1]",
                   );

curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$sms_response=curl_exec($ch);
//need to perform email or alternative messaging to let us know the attempt to send the sms failed, this may be due to insufficient credit, change in their API and etc... for the time being this works
?>