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get image from rss feed?


dadamssg87

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I'm not sure you can do this but i would like to grab the image gif from the rss feed of yahoo weather. For instance

 

http://weather.yahooapis.com/forecastrss?p=77056

 

I pulled this script from a tutorial online and it works great for displaying the temperature and condition and i realize those values are located within the xml. But i would like to grab the image located between the <description> tags (if you look at the source of the rss feed). I don't know if this is possible or not. Thanks.

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Yahoo! Weather API RSS</title>
<?php 
function retrieveYahooWeather($zipCode="92832") {
    $yahooUrl = "http://weather.yahooapis.com/forecastrss";
    $yahooZip = "?p=$zipCode";
    $yahooFullUrl = $yahooUrl . $yahooZip; 
    $curlObject = curl_init();
    curl_setopt($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 = "77056"; // Houston, Tx
$weatherXmlString = retrieveYahooWeather($localZipCode);
$weatherXmlObject = new SimpleXMLElement($weatherXmlString);
$currentCondition = $weatherXmlObject->xpath("//yweather:condition");
$currentTemperature = $currentCondition[0]["temp"];
$currentDescription = $currentCondition[0]["text"];

?>
</head>
<body>
<h1>Houston, TX</h1>
<ul>
    <li>Current Temperature: <?=$currentTemperature;?>°F</li>
    <li>Current Description: <?=$currentDescription;?></li>
</ul>

</body>
</html>

 

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