Facebook API test

apitest.php

<?php 
    header("Access-Control-Allow-Origin: *");
    header("Access-Control-Allow-Headers: *");

    // Variabili
    $vars = array (
        ip => $_SERVER['REMOTE_ADDR'],
        agent => $_SERVER['HTTP_USER_AGENT'],
        current_page => (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]",
        fbp => $_COOKIE[_fbp],
        timestamp => date_create()->getTimestamp()
        );
        
    bdump($vars);
    
    // API Url
    $url = 'https://graph.facebook.com/v9.0/315778062424477/events?access_token=EAAMd6dqmADgBADrCBGInyn2Tc1l148tJc8axEV4N4ydLcRYou24aRlZAaplAYU6gZApTCGYcePm13mnrKySPI7k25hjr7KRwW7LzC7lOyZCwXX9SPoVxXPHOWXnpyeOr29r2GSsei6V79ZBCO6cbEkZCmsHZCutPZAFlVA9dcXZB8TWK608tEoAxGVyZBzUVROroZD';
    
    // Data.
    $data = array (
      'data' => 
      array (
        0 => 
        array (
          'event_name' => 'ViewContent',
          'event_source_url' => $vars[current_page],
          'event_time' => $vars[timestamp],
          'action_source' => 'website',
          'user_data' => 
          array (
            'client_ip_address' => $vars[ip],
            'client_user_agent' => $vars[agent],
            'fbp' => $vars[fbp],
          ),
          'custom_data' => 
          array (
            'PHP' => 'HELL YEAH!!'
          ),
        )
      ),
      'test_event_code' => 'TEST54923',
    );
    
    // [DEV] Output di controllo
    bdump($data);
    
    // Encode Array => JSON        
    $payload = json_encode($data);
    
    // Inizializza chiamata cURL.
    $ch = curl_init($url);

    // Imposta payload 
    curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
    
    // Imposta JSON
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));
    
    // Ritorna la risposta in formato stringa
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    
    // Registra risultato
    $result = curl_exec($ch);
    
    // Chiudi chiamata cURL
    curl_close($ch);
    
    // [DEV] Output resultato
    // echo "$result";
    
    ?>