(PHP) Need to change currency function to percentual (%) (at one line)

Netchain · October 26, 2019

Hi all

Would like to ask for help .

Generally I would like to run a webpage which will display actual price + price movements of selected cryptocurrencies.

I´m recieving data from extrernal API. (JSON)
.
I already integrated currency function (usd), but I need to add also function for showing percent (%) change . (at "24 hour change" section)

This is how code looks like:

<?php 
$json = file_get_contents('https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd&amp;include_market_cap=true;include_24hr_vol=true;include_24hr_change=true'); 
$bitcoinPrice = json_decode($json);
 
$json = file_get_contents('https://api.coingecko.com/api/v3/simple/price?ids=dash&vs_currencies=usd&amp;include_market_cap=true;include_24hr_vol=true;include_24hr_change=true'); 
$dashPrice = json_decode($json);

$json = file_get_contents('https://api.coingecko.com/api/v3/simple/price?ids=netchain&vs_currencies=usd&amp;include_market_cap=true;include_24hr_vol=true;include_24hr_change=true');
$netchainPrice = json_decode($json);

$json = file_get_contents('https://api.coingecko.com/api/v3/simple/price?ids=pivx&vs_currencies=usd&amp;include_market_cap=true;include_24hr_vol=true;include_24hr_change=true');
$pivxPrice = json_decode($json);

function formatter($amount) {
  // $formatter = new NumberFormatter('en_US',  NumberFormatter::CURRENCY);
  return '$'.number_format($amount, 2);;
}
 ?>
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <meta http-equiv="x-ua-compatible" content="ie=edge">
  <title>Masternodes monitor</title>
  <!-- Font Awesome -->
  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.2/css/all.css">
  <!-- Bootstrap core CSS -->
  <link href="css/bootstrap.min.css" rel="stylesheet">
  <!-- Material Design Bootstrap -->
  <link href="css/mdb.min.css" rel="stylesheet">
  <!-- Your custom styles (optional) -->
  <link href="css/style.css" rel="stylesheet">
  <!-- MDBootstrap Datatables  -->
<link href="css/addons/datatables.min.css" rel="stylesheet">
</head>

<body>

  <table id="dtBasicExample" class="table table-striped table-bordered table-sm" cellspacing="0" width="100%">
  <thead>
    <tr>
      <th class="th-sm">Coin name
      </th>
      <th class="th-sm">ROI
      </th>
      <th class="th-sm">Daily income
      </th>
      <th class="th-sm">Price 
      </th>
      <th class="th-sm">24 change 
      </th>
      <th class="th-sm">Volume
      </th>
      <th class="th-sm">Marketcap
      </th>
      <th class="th-sm">Node price
      </th>
      <th class="th-sm">Coins for MN
      </th>
      <th class="th-sm">Nodes
      </th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><img src="/img/btc.png" width="15" height="15" title="Bitcoin logo" alt="Bitcoin logo" />    Bitcoin (BTC)
</td>
      <td>Unknown</td>
      <td>Unknown</td>
      <td><?=formatter($bitcoinPrice->bitcoin->usd) ?></td>
      <td><?=formatter($bitcoinPrice->bitcoin->usd_24h_change) ?></td>
      <td><?=formatter($bitcoinPrice->bitcoin->usd_24h_vol) ?></td>
      <td><?=formatter($bitcoinPrice->bitcoin->usd_market_cap) ?></td>
       <td>Unknown</td>
       <td>Unknown</td>
       <td>Unknown</td>
    </tr>
     <tr>
      <td><img src="/img/pivx.png" width="15" height="15" title="Pivx logo" alt="Pivx logo" />   Pivx (PIVX)</td>
      <td>Unknown</td>
      <td>Unknown</td>
      <td><?=formatter($pivxPrice->pivx->usd) ?></td>
      <td><?=formatter($pivxPrice->pivx->usd_24h_change) ?></td>
      <td><?=formatter($pivxPrice->pivx->usd_24h_vol) ?></td>
      <td><?=formatter($pivxPrice->pivx->usd_market_cap) ?></td>
       <td>Unknown</td>
       <td>10,000</td>
       <td>1,536</td>
    </tr>
    <tr>
      <td><img src="/img/dash.png" width="15" height="15" title="Dash logo" alt="Dash logo" />    Dash (DASH)</td>
      <td>7.5%</td>
      <td>14,40 $</td>
      <td><?=formatter($dashPrice->dash->usd) ?></td>
      <td><?=formatter($dashPrice->dash->usd_24h_change) ?></td>
      <td><?=formatter($dashPrice->dash->usd_24h_vol) ?></td>
      <td><?=formatter($dashPrice->dash->usd_market_cap) ?></td>
      <td>$69,696.22</td>
      <td>1000</td>
      <td>4001</td>
    </tr>
    <tr>
      <td><img src="/img/ntx.png" width="15" height="15" title="Netchain logo" alt="Netchain logo" />    Netchain (NTX) </td>
      <td>350%</td>
      <td>0,12 $</td>
      <td>$0.00004</td>
      <td><?=formatter($netchainPrice->netchain->usd_24h_change) ?></td>
      <td><?=formatter($netchainPrice->netchain->usd_24h_vol) ?></td>
      <td><?=formatter($netchainPrice->netchain->usd_market_cap) ?></td>
      <td>$7</td>
      <td>100.000</td>
      <td>55</td>
    </tr>
      </tbody>
  <tfoot>
    <tr>
      <th>Coin name
      </th>
      <th>ROI
      </th>
      <th>Daily income
      </th>
      <th>Price 
      </th>
      <th>24 change 
      </th>
      <th>Volume
      </th>
      <th>Marketcap
      </th>
      <th>Node price
      </th>
      <th>Coins for MN
      </th>
      <th>Nodes
      </th>
    </tr>
  </tfoot>
</table>

  <!-- SCRIPTS -->
  <!-- JQuery -->
  <script type="text/javascript" src="js/jquery-3.4.1.min.js"></script>
  <!-- Bootstrap tooltips -->
  <script type="text/javascript" src="js/popper.min.js"></script>
  <!-- Bootstrap core JavaScript -->
  <script type="text/javascript" src="js/bootstrap.min.js"></script>
  <!-- MDB core JavaScript -->
  <script type="text/javascript" src="js/mdb.min.js"></script>
  <!-- MDBootstrap Datatables  -->
<script type="text/javascript" src="js/addons/datatables.min.js"></script>
<script>
$(document).ready(function () {
$('#dtBasicExample').DataTable();
$('.dataTables_length').addClass('bs-select');
setTimeout(function() {
    location.reload();
}, 900000);
});
</script>
</body>

</html>

I need section usd_24h_change in percent %.
How to do that?

I tryed :


<td><($bitcoinPrice->dash->usd_24h_change) ? % ></td> 
<td><($dashPrice->dash->usd_24h_change) ? % ></td> 
<td><($netchainPrice->dash->usd_24h_change) ? % ></td> 
<td><($pivxPrice->dash->usd_24h_change) ? % ></td>

But it doesn´t work… Please help

Edited October 26, 2019 by Netchain

Barand · October 26, 2019

percent =  (amount_changed / yesterdays_closing_price) * 100

requinix · October 26, 2019

1 hour ago, Barand said:


percent =  (amount_changed / yesterdays_closing_price) * 100

Deja-vu.

Netchain · October 26, 2019

How this can help me?

requinix · October 27, 2019

I'm not sure it can help you...

What is the amount changed since yesterday? Do you have that value?
What is yesterday's price? Do you have that value? Do you possibly have a way of calculating that value?
What is 100?

Netchain · October 27, 2019

4 hours ago, requinix said:

I'm not sure it can help you...

What is the amount changed since yesterday? Do you have that value?
What is yesterday's price? Do you have that value? Do you possibly have a way of calculating that value?
What is 100?

I already have that value. (24hr_change)

https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd&include_market_cap=true;include_24hr_vol=true;include_24hr_change=true

I just need to somehow add symbol "%".....

Edited October 27, 2019 by Netchain

Barand · October 27, 2019

Have you tried

echo $change . '%';

maxxd · October 27, 2019

<td><?= $bitcoinPrice->dash->usd_24h_change ?>%</td> 
<td><?= $dashPrice->dash->usd_24h_change ?>%</td> 
<td><?= $netchainPrice->dash->usd_24h_change ?>%</td> 
<td><?= $pivxPrice->dash->usd_24h_change ?>%</td>

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(PHP) Need to change currency function to percentual (%) (at one line)

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