NOAA/Weather Widget Startpoint (with simple cache mechanism)

example-dynamic.php

<?php

$cache_file = "/home/cpaneluser/public_html/weather.json";

if (file_exists($cache_file) && (filemtime($cache_file) > (time() - 60 * 5 ))) {
	// Cache file is less than five minutes old. 
	// Don't bother refreshing, just use the file as-is.

	$file = file_get_contents($cache_file);
   
} else {
	// Our cache is out-of-date, so load the data from our remote server,
	// and also save it over our cache for next time.
 
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, "http://forecast.weather.gov/MapClick.php?lat=41.75&lon=-124.2&unit=0&lg=english&FcstType=json");
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13');
	$file = curl_exec($ch);
	curl_close($ch); 
   
	file_put_contents($cache_file, $file, LOCK_EX);

}


$data = (object) json_decode($file, true);
	
//	header("Content-type: text/plain");
//	print_r($data);
	
echo '<img src="http://forecast.weather.gov/newimages/medium/'.$data->currentobservation['Weatherimage'].'" />';
echo $data->currentobservation['Temp'] . '&deg;F / ';
echo $data->currentobservation['Weather'];