<?php
Use AlphaVantage\Client;
class Bolsa extends TPage
{
    
    public function __construct()
    {
        parent::__construct();
        
        
            $API_KEY = "xxx";
            
            $alpha_vantage = new Client($API_KEY);
            $data = $alpha_vantage
                ->stock()
                ->daily('GOOGL');
            
           $ch = curl_init();
            //curl_setopt($ch, CURLOPT_URL,("https://www.alphavantage.co/query?function=TIME_SERIES_DAILY&symbol=MXRF11.SA&apikey=" . $API_KEY));
            curl_setopt($ch, CURLOPT_URL,("https://www.alphavantage.co/query?function=TIME_SERIES_DAILY&symbol=MXRF11.SA&apikey=" . $API_KEY));
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            $server_output = curl_exec ($ch);
            curl_close ($ch);
            $result = json_decode($server_output, true);
            
            var_dump($result);
            
  /*          $dataForAllDays = $result->{'Time Series (Daily)'};
            $dataForSingleDate = $dataForAllDays->{'2017-10-30'};
            echo $dataForSingleDate->{'1. open'} . '<br/>';
            echo $dataForSingleDate->{'2. high'} . '<br/>';
            echo $dataForSingleDate->{'3. low'} . '<br/>';
            echo $dataForSingleDate->{'4. close'} . '<br/>';
            echo $dataForSingleDate->{'5. volume'} . '<br/>';
             
            $dataForAllDays = $result['Time Series (Daily)'];
            $dataForSingleDate = $dataForAllDays['2021-03-04'];
            echo $dataForSingleDate['1. open'] . '<br/>';
            echo $dataForSingleDate['2. high'] . '<br/>';
            echo $dataForSingleDate['3. low'] . '<br/>';
            echo $dataForSingleDate['4. close'] . '<br/>';
            echo $dataForSingleDate['5. volume'] . '<br/>';   
   */         
            
            
     }   
}
?>