Ho provato il codice e non mi riporta alcun errore.
Codice PHP:
<?php
session_start();
$config = [
'api_key' => 'INSTERT YOUR API-KEY', // 123456
'campaign_id' => 'INSERT YOUR CAMPAIGN-ID', // 12345
'ip_registration' => 'INSERT YOUR SERVER IP', // 127.0.0.1
'domain' => 'INSERT YOUR DOMAIN', // domain.com without http:// and /
'fallback_campaign_link' => 'INSERT YOUR FALLBACK CAMPAIGN LINK' // http://domain.com/index.php&utm_campaign=123356
];
var_dump($config);
Dà visualizzando il sorgente della pagina.
Codice PHP:
array(5) {
["api_key"]=>
string(20) "INSTERT YOUR API-KEY"
["campaign_id"]=>
string(23) "INSERT YOUR CAMPAIGN-ID"
["ip_registration"]=>
string(21) "INSERT YOUR SERVER IP"
["domain"]=>
string(18) "INSERT YOUR DOMAIN"
["fallback_campaign_link"]=>
string(34) "INSERT YOUR FALLBACK CAMPAIGN LINK"
}