[3.5][Warning] Expected type 'string'. Found 'resource'."

[jonamix-ar]

Bien este error me lo viene tirando Visual Code como warning "Expected type 'string'. Found 'resource'."

 // check if something was created and delete it
if (file_exists($config_file)) {
    unlink($config_file);
}

Cambie todo el codigo por este y no tira mas el error verifique la instalación y funciono

$config_file = fopen(XGP_ROOT . CONFIGS_PATH . 'config.php', 'w');

if (!$config_file) {
    return false;
}

$data = "<?php\n";
$data .= "defined('DB_HOST') ? null : define('DB_HOST', '" . $this->db_host . "');\n";
$data .= "defined('DB_USER') ? null : define('DB_USER', '" . $this->db_user . "');\n";
$data .= "defined('DB_PASS') ? null : define('DB_PASS', '" . $this->db_password . "');\n";
$data .= "defined('DB_NAME') ? null : define('DB_NAME', '" . $this->db_name . "');\n";
$data .= "defined('DB_PREFIX') ? null : define('DB_PREFIX', '" . $this->db_prefix . "');\n";
$data .= "defined('SECRETWORD') ? null : define('SECRETWORD', 'xgp-"  . StringsHelper::randomString(16) . "');\n";
$data .= '?>';

// create the new file
if (fwrite($config_file, $data)) {
    fclose($config_file);

    return true;
}

// check if something was created and delete it
if (file_exists(XGP_ROOT . CONFIGS_PATH . 'config.php')) {
    unlink(XGP_ROOT . CONFIGS_PATH . 'config.php');
}

return false;