weather.php

<?php
 
    $cache_url = 'http://www.yr.no/sted/Sverige/V%C3%A4sternorrland/Johannedal/forecast.xml';
    $cache_file = 'cache/weather.dat';
    $cache_life = '120'; // Cachetid, sekunder
    $period_text = Array('Natt','Förm.','Efterm.','Kväll');// Vädret i<period_text>
    $sym_text = Array(
        "1" => "Soligt och klart",
        "2" => "Lätt molnighet",
        "3" => "Delvis molnigt",
        "4" => "Molnigt",
        "5" => "Regnbyar",
        "6" => "Regnbyar med åska",
        "7" => "Lätt snöblandat regn",
        "8" => "Snöbyar",
        "9" => "Regn",
        "10" => "Kraftigt regn",
        "11" => "Regn med åska",
        "12" => "Snöblandat regn",
        "13" => "Snöfall",
        "14" => "Snöfall med åska",
        "15" => "Dimma",
        "20" => "Snö, regn och åska",
        "21" => "Snönbyar med åska",
        "22" => "Regn med åska",
        "23" => "Snöblandat och åska");
 
    // Cache!
    if (!file_exists($cache_file) or (time() - filemtime($cache_file) >= $cache_life)){
        $live_content = file_get_contents($cache_url);
 
        // Parsea!
        $weather = new SimpleXMLElement($live_content);
        // Skriv ut och buffra
        ob_start();
        echo json_encode(Array(
                'sunrise'=>$weather->sun['rise'],
                'sunset'=>$weather->sun['set'],
                'weather'=>Array(
                    Array(
                        'period'=>$period_text[intval($weather->forecast->tabular->time[0]['period'])],
                        'symbol'=>$weather->forecast->tabular->time[0]->symbol['number'],
                        'text'=>$sym_text["{$weather->forecast->tabular->time[0]->symbol['number']}"],
                        'precipitation'=>$weather->forecast->tabular->time[0]->precipitation['value'],
                        'wind'=>$weather->forecast->tabular->time[0]->windSpeed['mps'],
                        'wind_dir'=>$weather->forecast->tabular->time[0]->windDirection['code'],
                        'temperature'=>$weather->forecast->tabular->time[0]->temperature['value'],
                        'pressure'=>$weather->forecast->tabular->time[0]->pressure['value']
                    ),
                    Array(
                        'period'=>$period_text[intval($weather->forecast->tabular->time[1]['period'])],
                        'symbol'=>$weather->forecast->tabular->time[1]->symbol['number'],
                        'text'=>$sym_text["{$weather->forecast->tabular->time[1]->symbol['number']}"],
                        'precipitation'=>$weather->forecast->tabular->time[1]->precipitation['value'],
                        'wind'=>$weather->forecast->tabular->time[1]->windSpeed['mps'],
                        'wind_dir'=>$weather->forecast->tabular->time[0]->windDirection['code'],
                        'temperature'=>$weather->forecast->tabular->time[1]->temperature['value'],
                        'pressure'=>$weather->forecast->tabular->time[1]->pressure['value']
                    ),
                    Array(
                        'period'=>$period_text[intval($weather->forecast->tabular->time[2]['period'])],
                        'symbol'=>$weather->forecast->tabular->time[2]->symbol['number'],
                        'text'=>$sym_text["{$weather->forecast->tabular->time[2]->symbol['number']}"],
                        'precipitation'=>$weather->forecast->tabular->time[2]->precipitation['value'],
                        'wind'=>$weather->forecast->tabular->time[2]->windSpeed['mps'],
                        'wind_dir'=>$weather->forecast->tabular->time[0]->windDirection['code'],
                        'temperature'=>$weather->forecast->tabular->time[2]->temperature['value'],
                        'pressure'=>$weather->forecast->tabular->time[2]->pressure['value']
                    ),
                    Array(
                        'period'=>$period_text[intval($weather->forecast->tabular->time[3]['period'])],
                        'symbol'=>$weather->forecast->tabular->time[3]->symbol['number'],
                        'text'=>$sym_text["{$weather->forecast->tabular->time[3]->symbol['number']}"],
                        'precipitation'=>$weather->forecast->tabular->time[3]->precipitation['value'],
                        'wind'=>$weather->forecast->tabular->time[3]->windSpeed['mps'],
                        'wind_dir'=>$weather->forecast->tabular->time[3]->windDirection['code'],
                        'temperature'=>$weather->forecast->tabular->time[3]->temperature['value'],
                        'pressure'=>$weather->forecast->tabular->time[3]->pressure['value']
                    ),
                    Array(
                        'period'=>$period_text[intval($weather->forecast->tabular->time[4]['period'])],
                        'symbol'=>$weather->forecast->tabular->time[4]->symbol['number'],
                        'text'=>$sym_text["{$weather->forecast->tabular->time[4]->symbol['number']}"],
                        'precipitation'=>$weather->forecast->tabular->time[4]->precipitation['value'],
                        'wind'=>$weather->forecast->tabular->time[4]->windSpeed['mps'],
                        'wind_dir'=>$weather->forecast->tabular->time[4]->windDirection['code'],
                        'temperature'=>$weather->forecast->tabular->time[4]->temperature['value'],
                        'pressure'=>$weather->forecast->tabular->time[4]->pressure['value']
                    )
                )
            )
        );
        $result = ob_get_contents();
        ob_end_clean();
        file_put_contents($cache_file,$result);
        echo $result;
    }else{
        echo file_get_contents($cache_file);
    }
 
?>