Get data from table with PHP Simple HTML DOM Parser

Question

I want to extract data that are in table #buyOrdersTable from here

https://bittrex.com/Market/Index?MarketName=BTC-XRP

To do this I am using PHP Simple HTML DOM Parser library and following code:

$html = file_get_html('https://bittrex.com/Market/Index?MarketName=BTC-XRP');

echo 'BTC/XRP<br>';

foreach($html->find('div.buy-table-container tr.dyn-tr-add td') as $td) 
{
    echo $td->plaintext . '<br>';
}

?>

I want to extract every row from BID section - SUM, TOTAL, SIZE (XRP), BID (BTC). But code doesn't find any row.

And it never will. That page is mostly pure javascript. Simple HTML DOM cannot execute javascript. Try disabling javascript in your browser; that's what the parser is seeing. — msg
– msg, Commented Oct 11, 2018 at 12:02
So there is any way to get that data using other techniques? — Zomfire
– Zomfire, Commented Oct 11, 2018 at 12:06

delboy1978uk · Accepted Answer · 2018-10-11 12:21:05Z

2

You can't do that. It's impossible, as explained by msg in the comments.

To do it properly, sign up for an API key, and call the API!

https://support.bittrex.com/hc/en-us/articles/115003723911-Developer-s-Guide-API

You'll probably want to use Guzzle, or cURL to make your requests. You can find lots of tutorials showing how to connect to any API using either.

This may or may not help you. A while back I started writing a library that hooked up to the BTC-e exchange (now Wex.nz). You can make adapters for any exchange, so you could tweak this code if you like.

https://github.com/delboy1978uk/BTCExchange/blob/master/src/Exchange/BtcE.php

Which extends this class https://github.com/delboy1978uk/BTCExchange/blob/master/src/Exchange/ExchangeAbstract.php

Credit to msg for bothering to check Packagist. There are many ready-to-rock Bittrex API packages waiting to be installed! https://packagist.org/?query=bitrex-api

edited Oct 11, 2018 at 12:21

answered Oct 11, 2018 at 12:07

delboy1978uk

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4 Comments

msg Over a year ago

There are several ready-made php implementations of the api. Can't vouch for the quality of them, but the second one looks fairly complete.

delboy1978uk Over a year ago

Even better! Fancy linking us up?

Zomfire Over a year ago

Thanks. It helps me a lot. I never thought that some exchanges providing API free.

msg Over a year ago

Even more options, some with framework integration. @delboy1978uk feel free to add them directly to your answer if you want.

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