<?php
$default_city = "LONDON";
$default_lang = "en-GB";
$city = ($_GET['city'] AND strlen($_GET['city']) > 0) ? $_GET['city'] : $default_city;
$lang = ($_GET['lang'] AND strlen($_GET['lang']) > 0) ? $_GET['lang'] : $default_lang;
// also you can (must) check input data like a preg_match('/([a-z]{2})|([a-z]{2})-([a-z]{2})/i')
$xml = simplexml_load_file('http://www.google.com/ig/api?weather='.$city.'&hl='.$lang);

$information = $xml->xpath("/xml_api_reply/weather/forecast_information");
$current = $xml->xpath("/xml_api_reply/weather/current_conditions");
$forecast_list = $xml->xpath("/xml_api_reply/weather/forecast_conditions");
?>

            <li class="now-img">
                <img src="<?= 'http://www.google.com' . $current[0]->icon['data']?>" alt="weather"?>
            </li>
            <li class="now">
                <div class="now-name">
                Now
                </div>
                <div class="now-forecast">
                <?= $current[0]->temp_c['data'] ?>&deg; C / <?= $current[0]->temp_f['data'] ?>&deg; F
                </div>
                <div class="now-condition">
                <?= $current[0]->condition['data'] ?>
                </div>
                <div class="now-bottom">
                    <div class="humidity left">
                    Humidity<br/>
                    8%
                    </div>
                    <div class="wind left">
                    Wind<br/>
                    SW at 27km/h
                    </div>
                </div>
            </li>
            <? foreach ($forecast_list as $forecast) : ?>
            <li class="line-break">
            <img src="http://placehold.it/1x1" alt="weather"?>
            </li>
            <li class="day">
                <div class="day-name">
                <?= $forecast->day_of_week['data']; ?>
                </div>
                <div class="day-img">
                <img src="<?= 'http://www.google.com' . $forecast->icon['data']?>" alt="weather"?>
                </div>
                <div class="day-condition">
                <?= $forecast->condition['data'] ?>
                </div>
                <div class="day-forecast">
                <?= $forecast->low['data'] ?>&deg; C / <?= $forecast->high['data'] ?>&deg; ,
                </div>
            </li>
            <? endforeach ?>