/**
* Convert a string of xml to an array
* @author Nate White
* @param string $xml
* @return mixed array if success; else null
*/
function xmlstring2array($xml)
{
//$ReElements = '/<(\w+)\s*([^\/>]*)\s*(?:\/>|>(.*)<\/\s*\\1\s*>)/s';
$ReElements = '/<(\\w+)\\s*([^\\/>]*)\\s*(?:\\/>|>(.*?)<(\\/\\s*\\1\\s*)>)/s';
$ReAttributes = '/(\\w+)=(?:"|\')([^"\']*)(:?"|\')/';
preg_match_all($ReElements, $xml, $elements);
foreach ($elements[1] as $ie => $xx) {
$xmlary[$ie]["name"] = $elements[1][$ie];
if ($attributes = trim($elements[2][$ie])) {
preg_match_all($ReAttributes, $attributes, $att);
foreach ($att[1] as $ia => $xx) {
// all the attributes for current element are added here
$xmlary[$ie]["attributes"][$att[1][$ia]] = $att[2][$ia];
}
}
// if $attributes
// get text if it's combined with sub elements
$cdend = strpos($elements[3][$ie], "<");
if ($cdend > 0) {
$xmlary[$ie]["text"] = substr($elements[3][$ie], 0, $cdend - 1);
}
// if cdend
if (preg_match($ReElements, $elements[3][$ie])) {
$xmlary[$ie]["elements"] = xmlstring2array($elements[3][$ie]);
} else {
if (isset($elements[3][$ie])) {
$xmlary[$ie]["text"] = $elements[3][$ie];
}
}
}
if (!empty($xmlary)) {
return $xmlary;
}
}
/**
* Получение параметров погоды из сервиса.
* http://api.openweathermap.org
* CITYID = 498817
* APIID = a61d94e24a6ea5c6adca71cd69256c39 (juicylevel, epictrain)
*/
private function getWeatherFromService()
{
try {
$serviceUrl = "http://api.openweathermap.org/data/2.5/weather?id=498817&APPID=a61d94e24a6ea5c6adca71cd69256c39&lang=ru&mode=xml&units=metric";
$response = sendRequest($serviceUrl);
$serviceData = xmlstring2array($response);
$weather = array('temperature' => $serviceData['temperature']['@attributes']['value'], 'humidity' => $serviceData['humidity']['@attributes']['value'], 'pressure' => round($serviceData['pressure']['@attributes']['value'] * 0.75006375541921), 'wind_speed' => $serviceData['wind']['speed']['@attributes']['value'], 'wind_direction' => Settings::getInstance()->getWindDirection($serviceData['wind']['direction']['@attributes']['code'])['code'], 'weather_condition' => Settings::getInstance()->getWeatherCondition(substr($serviceData['weather']['@attributes']['icon'], 0, -1))['code']);
} catch (Exception $exception) {
$weather = array();
}
return $weather;
}
