title: Alpha Vantage client too slow
body: <p>I have this very simple PHP call to Alpha Vantage API to fill a table (or  list) with NASDAQ stock prices:</p>
  
  <pre><code>&lt;?php
  function get_price($commodity = "")
  {
  
    $url = 'https://www.alphavantage.co/query?function=TIME_SERIES_DAILY_ADJUSTED&amp;symbol=' . $commodity . '&amp;outputsize=full&amp;apikey=myKey';
    $obj = json_decode(file_get_contents($url), true);
    $date = $obj['Meta Data']['3. Last Refreshed'];
    $result = $obj['Time Series (Daily)']['2018-03-23']['4. close'];
    $rd_result = round($result, 2);
    echo $result;
  }
  
  ?&gt;
  &lt;?php get_price("XOM");
    get_price("AAPL");
    get_price("MSFT");
    get_price("CVX");
    get_price("CAT");
    get_price("BA");
  ?&gt;
  </code></pre>
  
  <p>And it works, but just so freaking slow. It can take ove 30 secs. to load while the json file from Alpha Vantage loads in  a fraction of second.</p>
  
  <p>Does anyone knows where am I going wrong?</p>