<?php

function bitmarket_api($method, $params = array())
{
    $key = "klucz_jawny";
    $secret = "klucz_tajny";

    $params["method"] = $method;
    $params["tonce"] = time();

    $post = http_build_query($params, "", "&");
    $sign = hash_hmac("sha512", $post, $secret);
    $headers = array(
        "API-Key: " . $key,
        "API-Hash: " . $sign,
    );

    $curl = curl_init();
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_URL, "https://www.bitmarket.pl/api2/");
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $post);
    curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
    $ret = curl_exec($curl);

    return json_decode($ret);
}

bitmarket_api("info");

?>