protected function getContents($url, $headers = [], $as_html = false)
{
$key = $this->buildCacheKey($url);
if (self::$cache->has($key)) {
return self::$cache->get($key);
}
if ($as_html) {
foreach ($headers as $k => $v) {
$this->client->setHeader($k, $v);
}
$contents = $this->client->request('GET', $url)->html();
foreach ($headers as $k => $v) {
$this->client->removeHeader($k);
}
} else {
$contents = file_get_contents($url);
}
self::$cache->set($key, $contents);
return $contents;
}