<?php

define('MARKETPLACE_URL', 'https://marketplace.emag.bg');
define('MARKETPLACE_API_URL', 'https://marketplace.emag.bg/api-3');
define('MARKETPLACE_API_URL', 'https://marketplace.emag.bg/api-3');

$data =
    array (
        'currentPage' => 1,
        'itemsPerPage' => 10
    );


$hash = sha1(http_build_query($data).sha1('lancombg123'));

$requestData = array(
    'username' => 'lancombg',
    'data' => $data,
    'hash' => $hash);

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, MARKETPLACE_URL . '/api-3/category/read');

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');

curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($requestData));

$result = curl_exec($ch);
echo '<pre>' . print_r($result, true) . '</pre>';