$fields = "key={$this->key}&api_key={$this->api_key}";
$query = $this->uri . "&entity=$entity&action=$action";
foreach ($params as $k => $v) {
$fields = "key={$this->key}&api_key={$this->api_key}";
$query = $this->uri . "&entity=$entity&action=$action";
foreach ($params as $k => $v) {