Redirecionador com Conversion API

redirect.php

<?php

$userIP = $_SERVER['REMOTE_ADDR'];
$userAgent = $_SERVER['HTTP_USER_AGENT'];
$fbclid = $_GET['fbclid'];
$fbc_cookie = "fb.1." .round(microtime(true) * 1000) ."." .$fbclid;
$page_url = "https://site.com/redirecionamento.php"; //endereço onde está localizado o script






$pixelId = 11111111111; //Id do pixel
$access_token = 'aaaaaaa'; //Token de acesso
$event_time = time();


header("Location: https://site.com/endereco-que-voce-quer-mandar-a-pessoa");

facebook_conversion_api_curl($pixelId, $access_token, $event_time, $userIP, $userAgent, $fbc_cookie, $page_url);


function facebook_conversion_api_curl($pixelId, $access_token, $event_time, $userIP, $userAgent, $fbc_cookie, $page_url) {

    $curl = curl_init();

    curl_setopt_array($curl, array(
    CURLOPT_URL => "https://graph.facebook.com/v11.0/$pixelId/events",
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => '',
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 0,
    CURLOPT_FOLLOWLOCATION => true,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_POSTFIELDS => array('access_token' => $access_token,'data' => '[
        {
            "event_name": "Lead",
            "event_time":' .$event_time .',
            "client_ip_address": "' .$userIP .'",
            "client_user_agent": "' .$userAgent .'",
            "fbc": "' .$fbc_cookie .'",
            },
            "event_source_url": "' .$page_url .'",
            "action_source": "website"
        }
        ]'),
    ));

    $response = curl_exec($curl);

    curl_close($curl);
    echo $response;

}

?>