Example of a Twilio SMS weather app in PHP

weather.php

<?php
// Set Weather Underground API key
$WUNDERGROUND_API_KEY = "xxxxxxxxx";

// Include Twilio helper library
require_once('Services/Twilio.php');

// Fetch latest weather for zipcode
$zip = $_REQUEST['FromZip'];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://api.wunderground.com/api/".$WUNDERGROUND_API_KEY."/conditions/q/".$zip.".json");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$api_request = curl_exec($ch);
curl_close($ch);

// Decode JSON
$data = json_decode($api_request);

// Create reply
$response = new Services_Twilio_Twiml();
$response->sms("Weather: ".$data->current_observation->weather." Temp: ".$data->current_observation->temperature_string);
print $response;
?>