weather underground xml to pachube eeml

wunderground2pachube.php

<?php

/* 	
	you need a cron job to grab the correct weather underground xml file.

	here's what i use:


	*/60 * * * * /usr/bin/curl -o /home/booyaa/public_html/boo/yaa/bay/surbiton.wunder.xml http://api.wunderground.com/weatherstation/WXCurrentObXML.asp?ID=ISURREYS1 >/dev/null 2>&1

*/

$file = "surbiton.wunder.xml";
$xml = simplexml_load_file($file);


$eeml = <<<END
<?xml version="1.0" encoding="UTF-8"?>
<eeml xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.ee
ml.org/xsd/005" version="5" xsi:schemaLocation="http://www.eeml.org/xsd/005 http
://www.eeml.org/xsd/005/005.xsd">
  <environment>
    <title>Braggs of Surbiton (Weather Underground)</title>
    <description>A weather station in Surbiton</description>
    <website>http://booyaa.org/projects/pachube/</website>
    <location domain="physical" exposure="outdoor" disposition="fixed">
      <name>Braggs of Surbiton (Weather Underground)</name>
      <lat>51.390</lat>
      <lon>-0.283</lon>
    </location>
    <data id="0">
      <tag>temperature</tag>
<tag>celsius</tag>
      <value>$xml->temp_c</value>
      <unit symbol="C" type="derivedSI">celsius</unit>
    </data>
    <data id="1">
      <tag>humidity</tag>
      <value>$xml->relative_humidity</value>
      <unit symbol="%">percentage</unit>
    </data>
    <data id="2">
      <tag>wind</tag>
      <tag>direction</tag>
      <tag>degree</tag>
      <value>$xml->wind_degrees</value>
      <unit>degree</unit>
    </data>
    <data id="3">
      <tag>wind</tag>
      <tag>speed</tag>
      <value>$xml->wind_mph</value>
      <unit symbol="mph" type="derivedUnits">miles per hour</unit>
    </data>
    <data id="4">
      <tag>pressure</tag>
      <value>$xml->pressure_mb</value>
      <unit symbol="mb">barometric pressure</unit>
    </data>
    <data id="5">
      <tag>precipitation</tag>
      <value>$xml->precip_1hr_metric</value>
      <unit symbol="mm" type="derivedUnits">millimetre</unit>
    </data>
  </environment>
</eeml>
END;

header("Content-Type: application/xml; charset=utf-8");
print $eeml;
?>