Index.php for moustachify yourself demo @ http://rogerstringer.com/2013/10/03/moustachify-twilios-picture-messaging-service-php/

index.php

<?php
require("jolt.php");
include("Services/Twilio.php");
$_GET['route'] = isset($_GET['route']) ? '/'.$_GET['route'] : '/';

$app = new Jolt('site',false);
$app->option('source', 'config.ini');
$client = new Services_Twilio($app->option('twilio.accountsid'), $app->option('twilio.authtoken') );
$fromNumber = $app->option('twilio.fromNumber');
$app->store('client',$client);

$app->get('/', function() use($app){
?>
    <h1>Moustachify yourself</h1>
    <p>Text a picture with the word "MOUSTACHE" to <strong><?=$app->option('twilio.fromNumber')?></strong></p>
<?php	
});

$app->post('/listener', function() use($app){
    if( strtolower($_POST['Body']) == 'moustache' ){
        if ( isset($_POST['NumMedia']) && $_POST['NumMedia'] > 0 ){
            for ($i = 0; $i < $_POST['NumMedia']; $i++){
                if (strripos($_POST['MediaContentType'.$i], 'image') === False)	continue;
                $file = sha1($_POST['MediaUrl'.$i]).'.jpg';
                file_put_contents('images/'.$file, file_get_contents($_POST['MediaUrl'.$i]));
                chmod ('images/'.$file, 01777);
                $url = $app->option('site.url').'/images/'.$file;
                $url = 'http://mustachify.me/?src='.urlencode( $url );
                $message = $app->store('client')->account->messages->sendMessage(
                    $app->option('twilio.fromNumber'),
                    $_POST['From'],
                    'Here you go!',
                    array($url)
                );
            }
        }
    }else{
        $message = $app->store('client')->account->messages->sendMessage(
            $app->option('twilio.fromNumber'),
            $_POST['From'],
            'Invalid command.'
        );		
    }
});

$app->listen();