public static function fetch_url($url, $cache = true, $cache_fn = false, $reset = false)
{
if ($cache) {
if ($cache === true && $cache_fn === false) {
$cache_fn = 'public://cache/';
} else {
$cache_fn = $cache;
}
if (DT::endsWith($cache_fn, '/')) {
$cache_path = $cache_fn;
$cache_fn = $cache_path . DT::sanitize($url);
} else {
$cache_path = dirname($cache_fn) . '/';
}
file_prepare_directory($cache_path, FILE_CREATE_DIRECTORY);
if (!file_exists($cache_fn) || $reset) {
$data = DT::_fetch_url_data($url);
file_put_contents($cache_fn, $data);
} else {
$data = file_get_contents($cache_fn);
}
} else {
$data = DT::_fetch_url_data($url);
}
return $data;
}