public static function convert($json, $return = 'document')
{
self::$dom = new DOMDocument('1.0', 'utf-8');
self::$dom->formatOutput = TRUE;
// remove callback functions from JSONP
if (preg_match('/(\\{|\\[).*(\\}|\\])/s', $json, $matches)) {
$json = $matches[0];
} else {
throw new Exception('JSON not formatted correctly');
}
$data = json_decode($json);
$data_element = self::_process($data, self::$dom->createElement('data'));
self::$dom->appendChild($data_element);
switch ($return) {
case 'fragment':
return self::$dom->saveXML($data_element);
case 'object':
return self::$dom;
default:
return self::$dom->saveXML();
}
}
if (!is_array($cachedData) || empty($cachedData) || time() - $cachedData['creation'] > $this->dsParamCACHE * 60) {
if (Mutex::acquire($cache_id, $timeout, TMP)) {
$start = precision_timer();
$ch = new Gateway();
$ch->init();
$ch->setopt('URL', $this->dsParamURL);
$ch->setopt('TIMEOUT', $timeout);
$xml = $ch->exec();
$writeToCache = true;
$end = precision_timer('STOP', $start);
$info = $ch->getInfoLast();
Mutex::release($cache_id, TMP);
// check to see if it is JSON and convert it to XML
if (preg_match('/(json|javascript)/i', $info['content_type'])) {
require_once EXTENSIONS . '/dynamic_json/lib/class.json_to_xml.php';
$xml = Json_to_xml::convert($xml);
}
$xml = trim($xml);
if ((int) $info['http_code'] != 200 || !preg_match('/(xml|plain|text|json|javascript)/i', $info['content_type'])) {
$writeToCache = false;
if (is_array($cachedData) && !empty($cachedData)) {
$xml = trim($cachedData['data']);
$valid = false;
$creation = DateTimeObj::get('c', $cachedData['creation']);
} else {
$result = new XMLElement($this->dsParamROOTELEMENT);
$result->setAttribute('valid', 'false');
if ($end > $timeout) {
$result->appendChild(new XMLElement('error', sprintf('Request timed out. %d second limit reached.', $timeout)));
} else {
$result->appendChild(new XMLElement('error', sprintf('Status code %d was returned. Content-type: %s', $info['http_code'], $info['content_type'])));
