<pre>
<?
$queryUrl = 'https://bibrocc.bitrix24.ru/rest/1/h0p2iz7kpjsa6jrv/crm.activity.list.json';
$queryData = http_build_query(array());

$curl = curl_init();
curl_setopt_array($curl, array(
 CURLOPT_SSL_VERIFYPEER => 0,
 CURLOPT_POST => 1,
 CURLOPT_HEADER => 0,
 CURLOPT_RETURNTRANSFER => 1,
 CURLOPT_URL => $queryUrl,
 CURLOPT_POSTFIELDS => $queryData,
));

$result = curl_exec($curl);
curl_close($curl);

$result = json_decode($result, 1);
print_r($result);

?>