<?php
$nodeurl = '#nodeurl/fetchgroups';
 
$data = [
    'sender'  => '#sender',
    'token'     => '#token',
];
 
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/x-www-form-urlencoded']);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_URL, $nodeurl);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
$response = curl_exec($ch);
curl_close($ch);
 
echo $response; // output {success:true/false, message:response message}
?>