Sorting API values in a table using php

Question

I'm trying to build something like https://coinranking.com/. I plan on doing this by sorting the results from the API at http://www.coincap.io/front using the position24 value as sorting parameter. So far, I managed to pull an ordered list with the prices, but I'd like to display the values from other objects (volume, mktcap, etc) as well in a table. Would I have to repeat this function for every object?

<php? 
function compare($a, $b) {
    return intval($a->position24) - intval($b->position24);
}

$json = file_get_contents('http://www.coincap.io/front');
$data = json_decode($json);
usort($data, 'compare');
foreach ($data as $item) {
    echo $item->price . "\n"<;
}
?>

manud99 · Accepted Answer · 2017-06-08 23:15:29Z

1

You can just call it. For example like this:

echo $item->volume;
echo $item->mktcap;

in a table that would look like this:

<table>
    <thead>
        <tr>
            <th>Name</th>
            <th>Price</th>
            <th>Market Capitalization</th>
            <th>Volume</th>
        </tr>
    </thead>
    <tbody>
        <?php foreach($data as $row) { ?>
        <tr>
            <td><?= $row->long; ?></td>
            <td><?= $row->price; ?></td>
            <td><?= $row->mktcap; ?></td>
            <td><?= $row->volume; ?></td>
        </tr>
        <?php } ?>
    </tbody>
</table>

edited Jun 8, 2017 at 23:15

answered Jun 8, 2017 at 23:07

manud99

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3 Comments

tklein Over a year ago

Thank you, really. Working like a charm.

tklein Over a year ago

One more thing: is it possible to make a value (eg: price) display only 2 decimals? I tried 'number_format((float) 2, '.', '')', but that didn't work.

manud99 Over a year ago

It is possible. But PHP is not like Java, so you should use a different function to convert the variable. So to do that you should use number_format(floatval($price), 2, '.','').

Araqel Araqelyan · Accepted Answer · 2017-06-08 22:58:52Z

1

usort expecting array as parameter your $data is object maybe you should use json_decode($json,true); and

function compare($a, $b) {
    return intval($a['position24']) - intval($b['position24']);
}

answered Jun 8, 2017 at 22:58

Araqel Araqelyan

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