Config_Lite::hasSection PHP Method

    public function hasSection($sec)
    {
        if (isset($this->sections[$sec]) && is_array($this->sections[$sec])) {
            return true;
        }
        return false;
    }

 public function __construct(\Config_Lite $config, \HttpClientAbstract $client, \App\Storage\User $userStorage)
 {
     $this->_config = $config;
     if (function_exists("pcntl_signal")) {
         pcntl_signal(SIGTERM, array($this, "sigHandler"));
         pcntl_signal(SIGINT, array($this, "sigHandler"));
     }
     $this->_httpClient = $client;
     $this->_userStorage = $userStorage;
     $this->_logger = Logger::getLogger("main");
     $this->_lockFile = DOCUMENT_ROOT . "/var/.lock";
     $this->_lock();
     $this->_running = true;
     $this->_logger->info("Vérification des alertes.");
     $this->_mailer = new PHPMailer($exceptions = true);
     $this->_mailer->setLanguage("fr", DOCUMENT_ROOT . "/lib/PHPMailer/language/");
     $this->_mailer->CharSet = "utf-8";
     if ($config->hasSection("mailer")) {
         if ($smtp = $config->get("mailer", "smtp", array())) {
             $this->_mailer->SMTPKeepAlive = true;
             if (!empty($smtp["host"])) {
                 $this->_mailer->Host = $smtp["host"];
                 if (!empty($smtp["port"])) {
                     $this->_mailer->Port = $smtp["port"];
                 }
                 $this->_mailer->isSMTP();
             }
             if (!empty($smtp["username"])) {
                 $this->_mailer->SMTPAuth = true;
                 $this->_mailer->Username = $smtp["username"];
             }
             if (!empty($smtp["password"])) {
                 $this->_mailer->SMTPAuth = true;
                 $this->_mailer->Password = $smtp["password"];
             }
             if (!empty($smtp["secure"])) {
                 $this->_mailer->SMTPSecure = $smtp["secure"];
             }
         }
         if ($from = $config->get("mailer", "from", null)) {
             $this->_mailer->Sender = $from;
             $this->_mailer->From = $from;
             $this->_mailer->FromName = $from;
         }
     }
     $this->_mailer->isHTML(true);
 }