<?php
$whmusername = "root";
$hash = ""; // string lenght : 32

$user = "root";
$service = "whostmgrd";
$query = "https://host:2087/json-api/create_user_session?api.version=1&user={$user}&service={$service}";

$curl = curl_init();
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST,0);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER,0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER,1);

$header[0] = "Authorization: WHM $whmusername:" . preg_replace("'(\r|\n)'","",$hash);
curl_setopt($curl,CURLOPT_HTTPHEADER,$header);
curl_setopt($curl, CURLOPT_URL, $query);

$result = curl_exec($curl);
if ($result == false) {
    error_log("curl_exec threw error \"" . curl_error($curl) . "\" for $query");
}
curl_close($curl);

print $result.PHP_EOL;
?>