Cache yahoo weather and yahoo currency

PHP
1

Hello to everyone!
I have a yahoo weather script and a yahoo currency script in my site but they are taking too much time to load and are slowing my site. Can someone help me to made them caching and refreshing cache every 3600 minutes?

yahoo weather

<?php
function retrieveYahooWeather($zipCode="92832") {
    $yahooUrl = "http://weather.yahooapis.com/forecastrss";
    $yahooZip = "?p=$zipCode";
    $temp = "&u=c"; // Grade Celsius
    $yahooFullUrl = $yahooUrl . $yahooZip . $temp;
    $curlObject = curl_init();
    curl_setopt($curlObject,CURLOPT_URL,$yahooFullUrl);
    curl_setopt($curlObject,CURLOPT_HEADER,false);
    curl_setopt($curlObject,CURLOPT_RETURNTRANSFER,true);
    $returnYahooWeather = curl_exec($curlObject);
    curl_close($curlObject);
    return $returnYahooWeather;
}
$localZipCode = "ALXX0002"; // Tirane
$weatherXmlString = retrieveYahooWeather($localZipCode);
$weatherXmlObject = new SimpleXMLElement($weatherXmlString);
$currentCondition = $weatherXmlObject->xpath("//yweather:condition");
$currentTemperature = $currentCondition[0]["temp"];// temperatura
$currentDescription = $currentCondition[0]["text"];// teksti
$currentImage = $currentCondition[0]["code"]; // kodi - perdoret per te marre fotografine/ikonen nga yahoo
$currentAstronomy= $weatherXmlObject->xpath("//yweather:astronomy");
$currentSunrise = $currentAstronomy[0]["sunrise"]; // lindja djellit
$currentSunset = $currentAstronomy[0]["sunset"]; // perendimi djellit
$currentForecast = $weatherXmlObject->xpath("//yweather:forecast");
$currentHigh = $currentForecast[0]["high"]; // temp me e larte e dites
$currentLow = $currentForecast[0]["low"]; // tem me e ulet e dites
?>
  • P.S. How to change the time format from ex: 8:21 pm to 20:21?

yahoo currency

// Funksionet per kembimin valutor

// Kembimi Euro - Leke
function kv_euro () {
$from   = 'EUR'; /*change it to your required currencies */
$to     = 'ALL';
$url = 'http://finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s='. $from . $to .'=X';
$handle = @fopen($url, 'r');

if ($handle) {
    $result = fgets($handle, 4096);
    fclose($handle);
}
$allData = explode(',',$result); /* Get all the contents to an array */
$kveuro = $allData[1];
echo round($kveuro, 2); // round($dollarValue, 2); - Rrumbullakos shumebn me 2 shifra pas presjes. Ne gjendje normale $dollarValue
}

// Kembimi Dollare - Leke
function kv_dollare () {
$from   = 'USD'; /*change it to your required currencies */
$to    = 'ALL';
$url = 'http://finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s='. $from . $to .'=X';
$handle2 = @fopen($url, 'r');

if ($handle2) {
    $result2 = fgets($handle2, 4096);
    fclose($handle2);
}
$allData2 = explode(',',$result2); /* Get all the contents to an array */
$kvdollare = $allData2[1];
echo round($kvdollare, 2); // round($dollarValue, 2); - Rrumbullakos shumebn me 2 shifra pas presjes. Ne gjendje normale $dollarValue
}

// Kembimi Paund - Leke
function kv_gbp () {
$from   = 'GBP'; /*change it to your required currencies */
$to    = 'ALL';
$url = 'http://finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s='. $from . $to .'=X';
$handle3 = @fopen($url, 'r');

if ($handle3) {
    $result3 = fgets($handle3, 4096);
    fclose($handle3);
}
$allData3 = explode(',',$result3); /* Get all the contents to an array */
$kvgbp = $allData3[1];
echo round($kvgbp, 2); // round($dollarValue, 2); - Rrumbullakos shumebn me 2 shifra pas presjes. Ne gjendje normale $dollarValue
}

Hope that someone can help me! Thank you in advance!

2

Thank you for your reply and helping me but, since i’m new on php/mysql i don’t know how to do it :frowning:
Thanks again!

3

I wont write the code for you, but what you need to do is add a section that checks if it should pull the information from the cache or reload from the url and populate the cache.

You can see a simple solution from reading/checking cache information (file based). The code should work, though note that I have not tested it.


function cache($file, $expire) {
if (!file_exists($file)) {
return false;
}

$file_expire = filemtime($file) + $expire;

if ($file_expire < time()) {
unlink($file);

return false;
}

return file_get_contents($file);
}