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*/
// API authentication
$yourApiId = '1tQZ1VaAl9TplqGB1xmA2pwZ1xmAkVGp';
$yourAPIKey = 'ZQIuBJWwZQx5AzSvAQHlLGp0Zmp1ZGtmLzWyAwV5ATZ';
$apiUrl = 'https://www.provenexpert.com/api_rating_v5.json';
// cache options
$errorFile = '/provenexpert_error.txt';
$cacheFile = '/provenexpert_9532f07f8d34de011fbd7b1cc13301de.json';
$cachePath = dirname($_SERVER['SCRIPT_FILENAME']) . $cacheFile;
$cachingTime = 3600; // in seconds
$scriptVersion = '1.8';
if (! file_exists($cachePath)) {
@touch($cachePath, $cachingTime);
@chmod($cachePath, 0666);
}
// check if user ca write the cache file, otherwise use the system temp directory
if (! is_writable($cachePath)) {
$cachePath = sys_get_temp_dir() . $cacheFile;
if (! file_exists($cachePath)) {
@touch($cachePath, $cachingTime);
@chmod($cachePath, 0666);
}
}
if (function_exists('curl_init')) {
try {
// check if a cache file exists and its age inside the caching time range
if (! file_exists($cachePath) || (time() - filemtime($cachePath)) > $cachingTime) {
// init curl handler
$curlHandler = curl_init();
// set curl options
curl_setopt($curlHandler, CURLOPT_TIMEOUT, 3);
curl_setopt($curlHandler, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curlHandler, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curlHandler, CURLOPT_URL, $apiUrl . '?v=' . $scriptVersion);
curl_setopt($curlHandler, CURLOPT_USERPWD, $yourApiId . ':' . $yourAPIKey);
if (defined('CURLOPT_IPRESOLVE') && defined('CURL_IPRESOLVE_V4')) {
curl_setopt($curlHandler, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
}
// send call to api
$json = curl_exec($curlHandler);
if ($json === false) {
// curl error
$errorMessage = 'curl error (' . date('c') . ')';
if (file_exists($cachePath)) {
$errorMessage .= PHP_EOL . PHP_EOL . 'last call: ' . date('c', filemtime($cachePath));
}
$errorMessage .= PHP_EOL . PHP_EOL . curl_error($curlHandler);
$errorMessage .= PHP_EOL . PHP_EOL . print_r(curl_version(), true);
@file_put_contents(dirname($cachePath) . $errorFile, $errorMessage);
$json = json_encode(array('status' => 'error', 'errors' => array('curl error')));
}
curl_close($curlHandler);
// convert json to array
$data = json_decode($json, true);
if (! is_array($data)) {
// json format is wrong
$errorMessage = 'json error (' . date('c') . ')' . PHP_EOL . PHP_EOL . $json;
if (file_exists($cachePath)) {
$errorMessage .= PHP_EOL . PHP_EOL . 'last call: ' . date('c', filemtime($cachePath));
}
@file_put_contents(dirname($cachePath) . $errorFile, $errorMessage);
$data = array('status' => 'error', 'errors' => array('json error'));
$json = json_encode($data);
}
if ($data['status'] == 'success') {
if (is_writable($cachePath)) {
// save data in cache file
@file_put_contents($cachePath, $json);
} else {
echo('');
}
} elseif(! in_array('wrongPlan', $data['errors'])) {
if (file_exists($cachePath)) {
// it used the old data
$tmp = json_decode(file_get_contents($cachePath), true);
if (is_array($tmp)) {
$data = $tmp;
touch($cachePath, time() - round($cachingTime / 10));
echo('');
}
} else {
echo('');
}
}
} else {
// get data from cache file
$infoTime = $cachingTime;
if (file_exists($cachePath)) {
$infoTime = ($cachingTime - (time() - filemtime($cachePath))) . '/' . $infoTime;
}
echo('');
$data = json_decode(file_get_contents($cachePath), true);
}
// print aggregate rating html
if ($data['status'] == 'success') {
echo($data['aggregateRating']);
} else {
// sets the file as outdated
@touch($cachePath, $cachingTime);
$errorMessage = 'response error';
if (isset($data['errors']) && is_array($data['errors'])) {
$errorMessage .= ' (' . implode(', ', $data['errors']) . ')';
}
$errorMessage .= ' [v' . $scriptVersion . ']';
echo('');
}
} catch (Exception $e) {
$errorMessage = 'exception' . PHP_EOL . PHP_EOL . $e->__toString();
@file_put_contents(dirname($cachePath) . $errorFile, $errorMessage);
echo('');
}
} else {
echo('');
}
?>
