linslin\yii2\curl\Curl::get PHP Method

    public function get($url, $raw = true)
    {
        return $this->_httpRequest('GET', $url, $raw);
    }

 /**
  * This command echoes what you have entered as the message.
  * @param string $message the message to be echoed.
  */
 public function actionIndex()
 {
     foreach (self::$ticks as $tick) {
         //Pide la ultima de todas
         $curl = new curl\Curl();
         $response = json_decode($curl->get('https://cex.io/api/trade_history/' . $tick), true);
         $lastCex = $response[0]['tid'];
         $lastSaved = -1;
         do {
             if ($lastSaved == -1) {
                 $lastTid = new Query();
                 $lastTid = $lastTid->select('max(tid) as tid')->from('trades')->where(['tick' => $tick])->one();
                 $lastTid = $lastTid['tid'];
                 if (!is_null($lastTid)) {
                     $since = $lastTid + 1;
                 } else {
                     $since = 1;
                 }
             } else {
                 $since = $lastSaved + 1;
             }
             $response = json_decode($curl->get('https://cex.io/api/trade_history/' . $tick . '/?since=' . $since), true);
             $index = count($response);
             $nine = $index - 1;
             echo 'Since:' . $since . ', Res:' . $response[$nine]['tid'] . '\\r\\n';
             if ($response[$nine]['tid'] < $since) {
                 if ($since - $response[$nine]['tid'] < 1000) {
                     $index = $nine - ($since - $response[$nine]['tid']);
                 } else {
                     $since += $since - $response[$nine]['tid'];
                     $response = json_decode($curl->get('https://cex.io/api/trade_history/' . $tick . '/?since=' . $since), true);
                 }
             }
             while ($index) {
                 $trade = $response[--$index];
                 $tradeModel = new Trades();
                 $tradeModel->tick = $tick;
                 $tradeModel->type = $trade['type'];
                 $tradeModel->date = $trade['date'];
                 $tradeModel->amount = $trade['amount'];
                 $tradeModel->price = $trade['price'];
                 $tradeModel->tid = $trade['tid'];
                 if ($tradeModel->save() && $tradeModel->tid > $lastSaved) {
                     $lastSaved = $tradeModel->tid;
                 } else {
                     var_dump($tradeModel->errors);
                 }
                 unset($tradeModel);
             }
         } while ($lastSaved < $lastCex);
     }
 }