trackWithUmami.php

<?php

// Adjust these for your needs
$umamiCollect = 'https://z-umami.holtwick.de/api/collect';
$website = "6893805d-a37d-4d63-a043-5baec4a6b32c";

// Collected info from original call
$language = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
$ua = $_SERVER['HTTP_USER_AGENT'];
$referrer = $_SERVER['HTTP_REFERER']; // 1x"r" vs 2x"r" !!!
$ip = $_SERVER['REMOTE_ADDR'];
$host = $_SERVER['HTTP_HOST'];
$requestUrl = $_SERVER['REQUEST_URI'];

// General /collect call
function trackUmami($json_array)
{
  global $website, $umamiCollect, $language, $ua, $referrer, $ip;

  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $umamiCollect);
  curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Content-Type: application/json; charset=utf-8",
    "Accept-Language: $language",
    "User-Agent: $ua",
    "Referer: $referrer",
    "cf-connecting-ip: $ip"
  ]);

  $body = json_encode($json_array);
  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
  curl_exec($ch);
  curl_close($ch);
}

function trackUmamiEvent($type, $value, $url = '')
{
  global $website, $umamiCollect, $language, $ua, $referrer, $ip, $host, $requestUrl;

  if (empty($url)) $url = $requestUrl;

  $json_array = [
    'payload' => [
      'website' => $website,
      'hostname' => $host,
      'url' => $url,
      'event_type' => $type,
      'event_value' => $value,
      'language' => $language,
      'referrer' => $referrer
    ],
    'type' => 'event'
  ];
  trackUmami($json_array);
}

function trackUmamiPageView($url = '')
{
  global $website, $umamiCollect, $language, $ua, $referrer, $ip, $host, $requestUrl;

  if (empty($url)) $url = $requestUrl;

  $json_array = [
    'payload' => [
      'website' => $website,
      'hostname' => $host,
      'url' => $url,
      'language' => $language,
      'referrer' => $referrer
    ],
    'type' => 'pageview'
  ];

  trackUmami($json_array);
}

ok! thank you