Product.php

    public function __get($name) {
        
        echo '---'.$name.'---';
        if ($name == 'arrVariations') {
            //die($name);
            return [];
        }

        return parent::__get($name);
    }

    public function __set($name,$value) {

        return parent::__set($name,$value);
    }
    
    public function getArrVariations($key){
        return $this->arrVariations[$key];
    }

    public function setArrVariations($key, $variation){
        $this->arrVariations[$key] = $variation;
    }