, "https://webservices.secure-tix.com/rest/v2/getJsonEvents?userId=300&venueId=8513"
];
// Cache location
$cacheFile = "cache/events.cache";
// Instantiate the caching utility
$cacheUtil = new CacheUtil($cacheFile);
if ($cacheUtil->exists() && !$cacheUtil->isExpired()) {
// Cache exists and has not expired, dump the cache
expiresHeader();
$cacheUtil->read();
} else {
// Obtain a lock to perform the update
$cacheUtil->lock();
// Recheck cache
if ($cacheUtil->exists() && !$cacheUtil->isExpired()) {
// Cache was updated while waiting for a lock, dump and die
$cacheUtil->read();
die();
}
// Combine both data sources
$output = new stdClass;
$output->venues = array();
$output->events = array();
// Read each address, strip useless data, and combine events on a key of 'venueId'
foreach ($addresses as $address) {
