Contao\Model\Collection::__get PHP Méthode

    public function __get($strKey)
    {
        if ($this->intIndex < 0) {
            $this->first();
        }
        if (isset($this->arrModels[$this->intIndex]->{$strKey})) {
            return $this->arrModels[$this->intIndex]->{$strKey};
        }
        return null;
    }