/**
* HTTP GET request to a mediawiki API (with caching)
* @param string $target Used in cache key creation, mostly
* @param array $query The query parameters for the API request
* @param int $cacheTTL Time to live for the memcached caching
* @return null
*/
public function httpGetCached($target, $query, $cacheTTL = 3600)
{
if ($this->mApiBase) {
$url = wfAppendQuery($this->mApiBase, $query);
} else {
$url = $this->makeUrl($query, 'api');
}
if (!isset($this->mQueryCache[$url])) {
$data = ObjectCache::getMainWANInstance()->getWithSetCallback($this->getLocalCacheKey(get_class($this), $target, md5($url)), $cacheTTL, function () use($url) {
return ForeignAPIRepo::httpGet($url);
});
if (!$data) {
return null;
}
if (count($this->mQueryCache) > 100) {
// Keep the cache from growing infinitely
$this->mQueryCache = [];
}
$this->mQueryCache[$url] = $data;
}
return $this->mQueryCache[$url];
}
